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tty: Merge conditional + error message + WARN_ON()

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WARN() does all of these things in one statement.

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Hurley 2015-11-08 13:01:20 -05:00 • committed by Greg Kroah-Hartman
parent d435cefe9c
commit 6d029c68de
1 changed files with 2 additions and 8 deletions
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10
drivers/tty/tty_mutex.c
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@ -12,11 +12,8 @@
void __lockfunc tty_lock(struct tty_struct *tty) void __lockfunc tty_lock(struct tty_struct *tty)
{ {
if (tty->magic != TTY_MAGIC) { if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty))
pr_err("L Bad %p\n", tty);
WARN_ON(1);
return; return;
}
tty_kref_get(tty); tty_kref_get(tty);
mutex_lock(&tty->legacy_mutex); mutex_lock(&tty->legacy_mutex);
} }
@ -24,11 +21,8 @@ EXPORT_SYMBOL(tty_lock);
void __lockfunc tty_unlock(struct tty_struct *tty) void __lockfunc tty_unlock(struct tty_struct *tty)
{ {
if (tty->magic != TTY_MAGIC) { if (WARN(tty->magic != TTY_MAGIC, "U Bad %p\n", tty))
pr_err("U Bad %p\n", tty);
WARN_ON(1);
return; return;
}
mutex_unlock(&tty->legacy_mutex); mutex_unlock(&tty->legacy_mutex);
tty_kref_put(tty); tty_kref_put(tty);
} }