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| author | Adrian Bunk <bunk@kernel.org> | 2007-10-16 23:29:25 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-10-17 08:42:55 -0700 |
| commit | 827afdf093cce59bbbf9dc9f1c2eab86e2232b9e (patch) | |
| tree | 287510107cb816eb7529da88f961a4b49ffe673d | |
| parent | cba4fbbff2e9722e93b28e18fa7714b9013cbdda (diff) | |
| download | linux-3.10-827afdf093cce59bbbf9dc9f1c2eab86e2232b9e.tar.gz linux-3.10-827afdf093cce59bbbf9dc9f1c2eab86e2232b9e.tar.bz2 linux-3.10-827afdf093cce59bbbf9dc9f1c2eab86e2232b9e.zip | |
n_hdlc.c: fix check-after-use
The Coverity checker spotted that we'd have already oops'ed if "tty"
was NULL.
Since "tty" can't be NULL when we reach this line of code this patch
removes the NULL check.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rw-r--r-- | drivers/char/n_hdlc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c index e8332f305d7..82bcfb9c839 100644 --- a/drivers/char/n_hdlc.c +++ b/drivers/char/n_hdlc.c @@ -229,7 +229,7 @@ static void n_hdlc_release(struct n_hdlc *n_hdlc) wake_up_interruptible (&tty->read_wait); wake_up_interruptible (&tty->write_wait); - if (tty != NULL && tty->disc_data == n_hdlc) + if (tty->disc_data == n_hdlc) tty->disc_data = NULL; /* Break the tty->n_hdlc link */ /* Release transmit and receive buffers */ |