tty_ioctl: drag screaming into compliance with the coding style
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
parent
37bdfb074e
commit
355d95a1c8
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@ -50,7 +50,7 @@
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* Locking: none
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*/
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void tty_wait_until_sent(struct tty_struct * tty, long timeout)
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void tty_wait_until_sent(struct tty_struct *tty, long timeout)
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{
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#ifdef TTY_DEBUG_WAIT_UNTIL_SENT
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char buf[64];
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@ -67,7 +67,6 @@ void tty_wait_until_sent(struct tty_struct * tty, long timeout)
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if (tty->driver->wait_until_sent)
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tty->driver->wait_until_sent(tty, timeout);
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}
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EXPORT_SYMBOL(tty_wait_until_sent);
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static void unset_locked_termios(struct ktermios *termios,
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@ -76,7 +75,7 @@ static void unset_locked_termios(struct ktermios *termios,
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{
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int i;
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#define NOSET_MASK(x,y,z) (x = ((x) & ~(z)) | ((y) & (z)))
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#define NOSET_MASK(x, y, z) (x = ((x) & ~(z)) | ((y) & (z)))
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if (!locked) {
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printk(KERN_WARNING "Warning?!? termios_locked is NULL.\n");
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@ -88,7 +87,7 @@ static void unset_locked_termios(struct ktermios *termios,
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NOSET_MASK(termios->c_cflag, old->c_cflag, locked->c_cflag);
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NOSET_MASK(termios->c_lflag, old->c_lflag, locked->c_lflag);
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termios->c_line = locked->c_line ? old->c_line : termios->c_line;
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for (i=0; i < NCCS; i++)
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for (i = 0; i < NCCS; i++)
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termios->c_cc[i] = locked->c_cc[i] ?
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old->c_cc[i] : termios->c_cc[i];
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/* FIXME: What should we do for i/ospeed */
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@ -163,7 +162,6 @@ speed_t tty_termios_baud_rate(struct ktermios *termios)
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}
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return baud_table[cbaud];
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}
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EXPORT_SYMBOL(tty_termios_baud_rate);
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/**
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@ -203,7 +201,6 @@ speed_t tty_termios_input_baud_rate(struct ktermios *termios)
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return tty_termios_baud_rate(termios);
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#endif
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}
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EXPORT_SYMBOL(tty_termios_input_baud_rate);
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/**
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@ -338,7 +335,6 @@ speed_t tty_get_baud_rate(struct tty_struct *tty)
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return baud;
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}
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EXPORT_SYMBOL(tty_get_baud_rate);
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/**
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@ -361,7 +357,6 @@ void tty_termios_copy_hw(struct ktermios *new, struct ktermios *old)
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new->c_ispeed = old->c_ispeed;
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new->c_ospeed = old->c_ospeed;
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}
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EXPORT_SYMBOL(tty_termios_copy_hw);
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/**
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@ -395,7 +390,7 @@ EXPORT_SYMBOL(tty_termios_hw_change);
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* Locking: termios_sem
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*/
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static void change_termios(struct tty_struct * tty, struct ktermios * new_termios)
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static void change_termios(struct tty_struct *tty, struct ktermios *new_termios)
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{
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int canon_change;
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struct ktermios old_termios = *tty->termios;
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@ -470,7 +465,7 @@ static void change_termios(struct tty_struct * tty, struct ktermios * new_termio
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* Called functions take ldisc and termios_sem locks
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*/
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static int set_termios(struct tty_struct * tty, void __user *arg, int opt)
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static int set_termios(struct tty_struct *tty, void __user *arg, int opt)
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{
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struct ktermios tmp_termios;
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struct tty_ldisc *ld;
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@ -501,8 +496,8 @@ static int set_termios(struct tty_struct * tty, void __user *arg, int opt)
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return -EFAULT;
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#endif
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/* If old style Bfoo values are used then load c_ispeed/c_ospeed with the real speed
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so its unconditionally usable */
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/* If old style Bfoo values are used then load c_ispeed/c_ospeed
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* with the real speed so its unconditionally usable */
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tmp_termios.c_ispeed = tty_termios_input_baud_rate(&tmp_termios);
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tmp_termios.c_ospeed = tty_termios_baud_rate(&tmp_termios);
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@ -529,14 +524,14 @@ static int set_termios(struct tty_struct * tty, void __user *arg, int opt)
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return 0;
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}
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static int get_termio(struct tty_struct * tty, struct termio __user * termio)
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static int get_termio(struct tty_struct *tty, struct termio __user *termio)
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{
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if (kernel_termios_to_user_termio(termio, tty->termios))
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return -EFAULT;
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return 0;
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}
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static unsigned long inq_canon(struct tty_struct * tty)
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static unsigned long inq_canon(struct tty_struct *tty)
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{
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int nr, head, tail;
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@ -561,7 +556,7 @@ static unsigned long inq_canon(struct tty_struct * tty)
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*
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* The "sg_flags" translation is a joke..
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*/
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static int get_sgflags(struct tty_struct * tty)
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static int get_sgflags(struct tty_struct *tty)
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{
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int flags = 0;
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@ -579,7 +574,7 @@ static int get_sgflags(struct tty_struct * tty)
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return flags;
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}
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static int get_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb)
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static int get_sgttyb(struct tty_struct *tty, struct sgttyb __user *sgttyb)
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{
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struct sgttyb tmp;
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@ -594,7 +589,7 @@ static int get_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb)
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return copy_to_user(sgttyb, &tmp, sizeof(tmp)) ? -EFAULT : 0;
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}
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static void set_sgflags(struct ktermios * termios, int flags)
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static void set_sgflags(struct ktermios *termios, int flags)
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{
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termios->c_iflag = ICRNL | IXON;
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termios->c_oflag = 0;
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@ -631,7 +626,7 @@ static void set_sgflags(struct ktermios * termios, int flags)
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* Locking: termios_sem
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*/
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static int set_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb)
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static int set_sgttyb(struct tty_struct *tty, struct sgttyb __user *sgttyb)
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{
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int retval;
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struct sgttyb tmp;
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@ -651,7 +646,8 @@ static int set_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb)
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set_sgflags(&termios, tmp.sg_flags);
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/* Try and encode into Bfoo format */
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#ifdef BOTHER
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tty_termios_encode_baud_rate(&termios, termios.c_ispeed, termios.c_ospeed);
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tty_termios_encode_baud_rate(&termios, termios.c_ispeed,
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termios.c_ospeed);
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#endif
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mutex_unlock(&tty->termios_mutex);
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change_termios(tty, &termios);
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@ -660,7 +656,7 @@ static int set_sgttyb(struct tty_struct * tty, struct sgttyb __user * sgttyb)
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#endif
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#ifdef TIOCGETC
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static int get_tchars(struct tty_struct * tty, struct tchars __user * tchars)
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static int get_tchars(struct tty_struct *tty, struct tchars __user *tchars)
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{
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struct tchars tmp;
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@ -673,7 +669,7 @@ static int get_tchars(struct tty_struct * tty, struct tchars __user * tchars)
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return copy_to_user(tchars, &tmp, sizeof(tmp)) ? -EFAULT : 0;
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}
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static int set_tchars(struct tty_struct * tty, struct tchars __user * tchars)
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static int set_tchars(struct tty_struct *tty, struct tchars __user *tchars)
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{
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struct tchars tmp;
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@ -690,20 +686,22 @@ static int set_tchars(struct tty_struct * tty, struct tchars __user * tchars)
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#endif
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#ifdef TIOCGLTC
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static int get_ltchars(struct tty_struct * tty, struct ltchars __user * ltchars)
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static int get_ltchars(struct tty_struct *tty, struct ltchars __user *ltchars)
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{
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struct ltchars tmp;
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tmp.t_suspc = tty->termios->c_cc[VSUSP];
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tmp.t_dsuspc = tty->termios->c_cc[VSUSP]; /* what is dsuspc anyway? */
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/* what is dsuspc anyway? */
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tmp.t_dsuspc = tty->termios->c_cc[VSUSP];
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tmp.t_rprntc = tty->termios->c_cc[VREPRINT];
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tmp.t_flushc = tty->termios->c_cc[VEOL2]; /* what is flushc anyway? */
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/* what is flushc anyway? */
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tmp.t_flushc = tty->termios->c_cc[VEOL2];
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tmp.t_werasc = tty->termios->c_cc[VWERASE];
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tmp.t_lnextc = tty->termios->c_cc[VLNEXT];
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return copy_to_user(ltchars, &tmp, sizeof(tmp)) ? -EFAULT : 0;
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}
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static int set_ltchars(struct tty_struct * tty, struct ltchars __user * ltchars)
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static int set_ltchars(struct tty_struct *tty, struct ltchars __user *ltchars)
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{
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struct ltchars tmp;
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@ -711,9 +709,11 @@ static int set_ltchars(struct tty_struct * tty, struct ltchars __user * ltchars)
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return -EFAULT;
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tty->termios->c_cc[VSUSP] = tmp.t_suspc;
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tty->termios->c_cc[VEOL2] = tmp.t_dsuspc; /* what is dsuspc anyway? */
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/* what is dsuspc anyway? */
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tty->termios->c_cc[VEOL2] = tmp.t_dsuspc;
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tty->termios->c_cc[VREPRINT] = tmp.t_rprntc;
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tty->termios->c_cc[VEOL2] = tmp.t_flushc; /* what is flushc anyway? */
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/* what is flushc anyway? */
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tty->termios->c_cc[VEOL2] = tmp.t_flushc;
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tty->termios->c_cc[VWERASE] = tmp.t_werasc;
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tty->termios->c_cc[VLNEXT] = tmp.t_lnextc;
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return 0;
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@ -761,10 +761,10 @@ static int send_prio_char(struct tty_struct *tty, char ch)
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* consistent mode setting.
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*/
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int tty_mode_ioctl(struct tty_struct * tty, struct file *file,
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int tty_mode_ioctl(struct tty_struct *tty, struct file *file,
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unsigned int cmd, unsigned long arg)
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{
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struct tty_struct * real_tty;
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struct tty_struct *real_tty;
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void __user *p = (void __user *)arg;
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if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
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@ -775,100 +775,100 @@ int tty_mode_ioctl(struct tty_struct * tty, struct file *file,
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switch (cmd) {
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#ifdef TIOCGETP
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case TIOCGETP:
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return get_sgttyb(real_tty, (struct sgttyb __user *) arg);
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case TIOCSETP:
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case TIOCSETN:
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return set_sgttyb(real_tty, (struct sgttyb __user *) arg);
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case TIOCGETP:
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return get_sgttyb(real_tty, (struct sgttyb __user *) arg);
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case TIOCSETP:
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case TIOCSETN:
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return set_sgttyb(real_tty, (struct sgttyb __user *) arg);
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#endif
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#ifdef TIOCGETC
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case TIOCGETC:
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return get_tchars(real_tty, p);
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case TIOCSETC:
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return set_tchars(real_tty, p);
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case TIOCGETC:
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return get_tchars(real_tty, p);
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case TIOCSETC:
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return set_tchars(real_tty, p);
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#endif
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#ifdef TIOCGLTC
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case TIOCGLTC:
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return get_ltchars(real_tty, p);
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case TIOCSLTC:
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return set_ltchars(real_tty, p);
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case TIOCGLTC:
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return get_ltchars(real_tty, p);
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case TIOCSLTC:
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return set_ltchars(real_tty, p);
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#endif
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case TCSETSF:
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return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_OLD);
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case TCSETSW:
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return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_OLD);
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case TCSETS:
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return set_termios(real_tty, p, TERMIOS_OLD);
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case TCSETSF:
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return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_OLD);
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case TCSETSW:
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return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_OLD);
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case TCSETS:
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return set_termios(real_tty, p, TERMIOS_OLD);
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#ifndef TCGETS2
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case TCGETS:
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if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios))
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return -EFAULT;
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return 0;
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case TCGETS:
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if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios))
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return -EFAULT;
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return 0;
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#else
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case TCGETS:
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if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios))
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return -EFAULT;
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return 0;
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case TCGETS2:
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if (kernel_termios_to_user_termios((struct termios2 __user *)arg, real_tty->termios))
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return -EFAULT;
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return 0;
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case TCSETSF2:
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return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT);
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case TCSETSW2:
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return set_termios(real_tty, p, TERMIOS_WAIT);
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case TCSETS2:
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return set_termios(real_tty, p, 0);
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case TCGETS:
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if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios))
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return -EFAULT;
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return 0;
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case TCGETS2:
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if (kernel_termios_to_user_termios((struct termios2 __user *)arg, real_tty->termios))
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return -EFAULT;
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return 0;
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case TCSETSF2:
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return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT);
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case TCSETSW2:
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return set_termios(real_tty, p, TERMIOS_WAIT);
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case TCSETS2:
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return set_termios(real_tty, p, 0);
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#endif
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case TCGETA:
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return get_termio(real_tty, p);
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case TCSETAF:
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return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_TERMIO);
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case TCSETAW:
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return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_TERMIO);
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case TCSETA:
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return set_termios(real_tty, p, TERMIOS_TERMIO);
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case TCGETA:
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return get_termio(real_tty, p);
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case TCSETAF:
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return set_termios(real_tty, p, TERMIOS_FLUSH | TERMIOS_WAIT | TERMIOS_TERMIO);
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case TCSETAW:
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return set_termios(real_tty, p, TERMIOS_WAIT | TERMIOS_TERMIO);
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case TCSETA:
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return set_termios(real_tty, p, TERMIOS_TERMIO);
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#ifndef TCGETS2
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case TIOCGLCKTRMIOS:
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if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked))
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return -EFAULT;
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return 0;
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case TIOCSLCKTRMIOS:
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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if (user_termios_to_kernel_termios(real_tty->termios_locked, (struct termios __user *) arg))
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return -EFAULT;
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return 0;
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case TIOCGLCKTRMIOS:
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if (kernel_termios_to_user_termios((struct termios __user *)arg, real_tty->termios_locked))
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return -EFAULT;
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return 0;
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case TIOCSLCKTRMIOS:
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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if (user_termios_to_kernel_termios(real_tty->termios_locked,
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(struct termios __user *) arg))
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return -EFAULT;
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return 0;
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#else
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case TIOCGLCKTRMIOS:
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if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked))
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return -EFAULT;
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return 0;
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case TIOCSLCKTRMIOS:
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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if (user_termios_to_kernel_termios_1(real_tty->termios_locked, (struct termios __user *) arg))
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return -EFAULT;
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case TIOCGLCKTRMIOS:
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if (kernel_termios_to_user_termios_1((struct termios __user *)arg, real_tty->termios_locked))
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return -EFAULT;
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return 0;
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case TIOCSLCKTRMIOS:
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if (!capable(CAP_SYS_ADMIN))
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return -EPERM;
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if (user_termios_to_kernel_termios_1(real_tty->termios_locked,
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(struct termios __user *) arg))
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return -EFAULT;
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return 0;
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#endif
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case TIOCGSOFTCAR:
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return put_user(C_CLOCAL(tty) ? 1 : 0, (int __user *)arg);
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case TIOCSSOFTCAR:
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if (get_user(arg, (unsigned int __user *) arg))
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return -EFAULT;
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mutex_lock(&tty->termios_mutex);
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tty->termios->c_cflag =
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((tty->termios->c_cflag & ~CLOCAL) |
|
||||
(arg ? CLOCAL : 0));
|
||||
mutex_unlock(&tty->termios_mutex);
|
||||
return 0;
|
||||
default:
|
||||
return -ENOIOCTLCMD;
|
||||
case TIOCGSOFTCAR:
|
||||
return put_user(C_CLOCAL(tty) ? 1 : 0,
|
||||
(int __user *)arg);
|
||||
case TIOCSSOFTCAR:
|
||||
if (get_user(arg, (unsigned int __user *) arg))
|
||||
return -EFAULT;
|
||||
mutex_lock(&tty->termios_mutex);
|
||||
tty->termios->c_cflag =
|
||||
((tty->termios->c_cflag & ~CLOCAL) |
|
||||
(arg ? CLOCAL : 0));
|
||||
mutex_unlock(&tty->termios_mutex);
|
||||
return 0;
|
||||
default:
|
||||
return -ENOIOCTLCMD;
|
||||
}
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL_GPL(tty_mode_ioctl);
|
||||
|
||||
int tty_perform_flush(struct tty_struct *tty, unsigned long arg)
|
||||
|
@ -899,13 +899,12 @@ int tty_perform_flush(struct tty_struct *tty, unsigned long arg)
|
|||
tty_ldisc_deref(ld);
|
||||
return 0;
|
||||
}
|
||||
|
||||
EXPORT_SYMBOL_GPL(tty_perform_flush);
|
||||
|
||||
int n_tty_ioctl(struct tty_struct * tty, struct file * file,
|
||||
int n_tty_ioctl(struct tty_struct *tty, struct file *file,
|
||||
unsigned int cmd, unsigned long arg)
|
||||
{
|
||||
struct tty_struct * real_tty;
|
||||
struct tty_struct *real_tty;
|
||||
int retval;
|
||||
|
||||
if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
|
||||
|
@ -915,68 +914,67 @@ int n_tty_ioctl(struct tty_struct * tty, struct file * file,
|
|||
real_tty = tty;
|
||||
|
||||
switch (cmd) {
|
||||
case TCXONC:
|
||||
retval = tty_check_change(tty);
|
||||
if (retval)
|
||||
return retval;
|
||||
switch (arg) {
|
||||
case TCOOFF:
|
||||
if (!tty->flow_stopped) {
|
||||
tty->flow_stopped = 1;
|
||||
stop_tty(tty);
|
||||
}
|
||||
break;
|
||||
case TCOON:
|
||||
if (tty->flow_stopped) {
|
||||
tty->flow_stopped = 0;
|
||||
start_tty(tty);
|
||||
}
|
||||
break;
|
||||
case TCIOFF:
|
||||
if (STOP_CHAR(tty) != __DISABLED_CHAR)
|
||||
return send_prio_char(tty, STOP_CHAR(tty));
|
||||
break;
|
||||
case TCION:
|
||||
if (START_CHAR(tty) != __DISABLED_CHAR)
|
||||
return send_prio_char(tty, START_CHAR(tty));
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
case TCXONC:
|
||||
retval = tty_check_change(tty);
|
||||
if (retval)
|
||||
return retval;
|
||||
switch (arg) {
|
||||
case TCOOFF:
|
||||
if (!tty->flow_stopped) {
|
||||
tty->flow_stopped = 1;
|
||||
stop_tty(tty);
|
||||
}
|
||||
return 0;
|
||||
case TCFLSH:
|
||||
return tty_perform_flush(tty, arg);
|
||||
case TIOCOUTQ:
|
||||
return put_user(tty->driver->chars_in_buffer ?
|
||||
tty->driver->chars_in_buffer(tty) : 0,
|
||||
(int __user *) arg);
|
||||
case TIOCINQ:
|
||||
retval = tty->read_cnt;
|
||||
if (L_ICANON(tty))
|
||||
retval = inq_canon(tty);
|
||||
return put_user(retval, (unsigned int __user *) arg);
|
||||
case TIOCPKT:
|
||||
{
|
||||
int pktmode;
|
||||
|
||||
if (tty->driver->type != TTY_DRIVER_TYPE_PTY ||
|
||||
tty->driver->subtype != PTY_TYPE_MASTER)
|
||||
return -ENOTTY;
|
||||
if (get_user(pktmode, (int __user *) arg))
|
||||
return -EFAULT;
|
||||
if (pktmode) {
|
||||
if (!tty->packet) {
|
||||
tty->packet = 1;
|
||||
tty->link->ctrl_status = 0;
|
||||
}
|
||||
} else
|
||||
tty->packet = 0;
|
||||
return 0;
|
||||
}
|
||||
break;
|
||||
case TCOON:
|
||||
if (tty->flow_stopped) {
|
||||
tty->flow_stopped = 0;
|
||||
start_tty(tty);
|
||||
}
|
||||
break;
|
||||
case TCIOFF:
|
||||
if (STOP_CHAR(tty) != __DISABLED_CHAR)
|
||||
return send_prio_char(tty, STOP_CHAR(tty));
|
||||
break;
|
||||
case TCION:
|
||||
if (START_CHAR(tty) != __DISABLED_CHAR)
|
||||
return send_prio_char(tty, START_CHAR(tty));
|
||||
break;
|
||||
default:
|
||||
/* Try the mode commands */
|
||||
return tty_mode_ioctl(tty, file, cmd, arg);
|
||||
return -EINVAL;
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
case TCFLSH:
|
||||
return tty_perform_flush(tty, arg);
|
||||
case TIOCOUTQ:
|
||||
return put_user(tty->driver->chars_in_buffer ?
|
||||
tty->driver->chars_in_buffer(tty) : 0,
|
||||
(int __user *) arg);
|
||||
case TIOCINQ:
|
||||
retval = tty->read_cnt;
|
||||
if (L_ICANON(tty))
|
||||
retval = inq_canon(tty);
|
||||
return put_user(retval, (unsigned int __user *) arg);
|
||||
case TIOCPKT:
|
||||
{
|
||||
int pktmode;
|
||||
|
||||
if (tty->driver->type != TTY_DRIVER_TYPE_PTY ||
|
||||
tty->driver->subtype != PTY_TYPE_MASTER)
|
||||
return -ENOTTY;
|
||||
if (get_user(pktmode, (int __user *) arg))
|
||||
return -EFAULT;
|
||||
if (pktmode) {
|
||||
if (!tty->packet) {
|
||||
tty->packet = 1;
|
||||
tty->link->ctrl_status = 0;
|
||||
}
|
||||
} else
|
||||
tty->packet = 0;
|
||||
return 0;
|
||||
}
|
||||
default:
|
||||
/* Try the mode commands */
|
||||
return tty_mode_ioctl(tty, file, cmd, arg);
|
||||
}
|
||||
}
|
||||
EXPORT_SYMBOL(n_tty_ioctl);
|
||||
|
|
Loading…
Reference in a new issue