From: Peter Hurley <peter@hurleysoftware.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>,
linux-kernel@vger.kernel.org,
Peter Hurley <peter@hurleysoftware.com>
Subject: [PATCH 13/14] tty: Merge conditional + error message + WARN_ON()
Date: Sun, 8 Nov 2015 13:01:20 -0500 [thread overview]
Message-ID: <1447005681-4912-14-git-send-email-peter@hurleysoftware.com> (raw)
In-Reply-To: <1447005681-4912-1-git-send-email-peter@hurleysoftware.com>
WARN() does all of these things in one statement.
Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
---
drivers/tty/tty_mutex.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/tty_mutex.c b/drivers/tty/tty_mutex.c
index 0efcf71..77703a3 100644
--- a/drivers/tty/tty_mutex.c
+++ b/drivers/tty/tty_mutex.c
@@ -12,11 +12,8 @@
void __lockfunc tty_lock(struct tty_struct *tty)
{
- if (tty->magic != TTY_MAGIC) {
- pr_err("L Bad %p\n", tty);
- WARN_ON(1);
+ if (WARN(tty->magic != TTY_MAGIC, "L Bad %p\n", tty))
return;
- }
tty_kref_get(tty);
mutex_lock(&tty->legacy_mutex);
}
@@ -24,11 +21,8 @@ EXPORT_SYMBOL(tty_lock);
void __lockfunc tty_unlock(struct tty_struct *tty)
{
- if (tty->magic != TTY_MAGIC) {
- pr_err("U Bad %p\n", tty);
- WARN_ON(1);
+ if (WARN(tty->magic != TTY_MAGIC, "U Bad %p\n", tty))
return;
- }
mutex_unlock(&tty->legacy_mutex);
tty_kref_put(tty);
}
--
2.6.3
next prev parent reply other threads:[~2015-11-08 18:03 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-11-08 18:01 [PATCH 00/14] tty core printk cleanup Peter Hurley
2015-11-08 18:01 ` [PATCH 01/14] tty: Improve tty_debug() macro Peter Hurley
2015-11-08 18:51 ` Joe Perches
2015-11-08 19:30 ` Peter Hurley
2015-11-08 19:33 ` Joe Perches
2015-11-08 18:01 ` [PATCH 02/14] tty: Make tty_paranoia_check() file scope Peter Hurley
2015-11-08 18:01 ` [PATCH 03/14] tty: synclink_gt: Rename tty_driver_name Peter Hurley
2015-11-08 18:01 ` [PATCH 04/14] tty: core: Remove redundant oom message Peter Hurley
2015-11-08 18:01 ` [PATCH 05/14] tty: core: Add helper fn to deref tty driver name Peter Hurley
2015-11-08 18:01 ` [PATCH 06/14] tty: Define tty_*() printk macros Peter Hurley
2015-11-08 18:01 ` [PATCH 07/14] tty: Convert SAK messages to tty_notice() Peter Hurley
2015-11-08 18:01 ` [PATCH 08/14] tty: core: Add driver name to invalid device registration message Peter Hurley
2015-11-08 18:01 ` [PATCH 09/14] tty: core: Refactor parameters for unset_locked_termios() helper Peter Hurley
2015-11-08 18:01 ` [PATCH 10/14] tty: Remove unset_locked_termios() error message Peter Hurley
2015-11-08 18:01 ` [PATCH 11/14] tty: core: Prefer pr_* to printk(*) Peter Hurley
2015-11-08 18:01 ` [PATCH 12/14] tty: Remove __func__ from tty_debug() macro Peter Hurley
2015-11-08 18:01 ` Peter Hurley [this message]
2015-11-08 18:01 ` [PATCH 14/14] tty: core: Prefer dev_dbg() over pr_debug() Peter Hurley
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