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staging: dgap: dgap_tty: Do not use 0 for pointers

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0 should not be used instead of NULL for pointers.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Cc: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sachin Kamat 2013-10-09 15:58:25 +05:30 committed by Greg Kroah-Hartman
parent fa5cd4cf1b
commit 53fa1f4f1f
1 changed files with 4 additions and 3 deletions
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7
drivers/staging/dgap/dgap_tty.c
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@ -595,7 +595,7 @@ static void dgap_sniff_nowait_nolock(struct channel_t *ch, uchar *text, uchar *b
/*
* Loop while data remains.
*/
while (nbuf > 0 && ch->ch_sniff_buf != 0) {
while (nbuf > 0 && ch->ch_sniff_buf) {
/*
* Determine the amount of available space left in the
* buffer. If there's none, wait until some appears.
@ -1107,9 +1107,10 @@ static int dgap_tty_open(struct tty_struct *tty, struct file *file)
MAJOR(tty_devnum(tty)), MINOR(tty_devnum(tty)), un, brd->name));
/*
* Error if channel info pointer is 0.
* Error if channel info pointer is NULL.
*/
if ((bs = ch->ch_bs) == 0) {
bs = ch->ch_bs;
if (!bs) {
DGAP_UNLOCK(ch->ch_lock, lock_flags2);
DGAP_UNLOCK(brd->bd_lock, lock_flags);
DPR_OPEN(("%d BS is 0!\n", __LINE__));