uml: remove a useless function
arch/um/drivers/chan_kern.c::chan_out_fd() is not used by anyone. Remove it. Acked-by: Jeff Dike <jdike@addtoit.com> Signed-off-by: WANG Cong <wangcong@zeuux.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>hifive-unleashed-5.1
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3af7cb7bbc
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02d324b15d
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@ -583,19 +583,6 @@ int parse_chan_pair(char *str, struct line *line, int device,
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return 0;
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return 0;
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}
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}
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int chan_out_fd(struct list_head *chans)
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{
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struct list_head *ele;
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struct chan *chan;
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list_for_each(ele, chans) {
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chan = list_entry(ele, struct chan, list);
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if (chan->primary && chan->output)
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return chan->fd;
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}
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return -1;
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}
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void chan_interrupt(struct list_head *chans, struct delayed_work *task,
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void chan_interrupt(struct list_head *chans, struct delayed_work *task,
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struct tty_struct *tty, int irq)
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struct tty_struct *tty, int irq)
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{
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{
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@ -44,7 +44,6 @@ extern void close_chan(struct list_head *chans, int delay_free_irq);
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extern int chan_window_size(struct list_head *chans,
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extern int chan_window_size(struct list_head *chans,
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unsigned short *rows_out,
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unsigned short *rows_out,
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unsigned short *cols_out);
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unsigned short *cols_out);
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extern int chan_out_fd(struct list_head *chans);
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extern int chan_config_string(struct list_head *chans, char *str, int size,
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extern int chan_config_string(struct list_head *chans, char *str, int size,
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char **error_out);
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char **error_out);
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