From: Ingo Molnar <mingo@elte.hu>
Date: Tue, 10 Jan 2006 21:10:36 +0000 (+0100)
Subject: [PATCH] mark mutex_lock*() as might_sleep()
X-Git-Tag: v2.6.16-rc1~447
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c544bdb1999e04eb10035f1c3262a103859d94b2;p=linux-2.6

[PATCH] mark mutex_lock*() as might_sleep()

Mark mutex_lock() and mutex_lock_interruptible() as might_sleep()
functions.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/kernel/mutex.c b/kernel/mutex.c
index d3dcb8b44b..5c25618441 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -81,6 +81,7 @@ __mutex_lock_slowpath(atomic_t *lock_count __IP_DECL__);
  */
 void fastcall __sched mutex_lock(struct mutex *lock)
 {
+	might_sleep();
 	/*
 	 * The locking fastpath is the 1->0 transition from
 	 * 'unlocked' into 'locked' state.
@@ -253,6 +254,7 @@ __mutex_lock_interruptible_slowpath(atomic_t *lock_count __IP_DECL__);
  */
 int fastcall __sched mutex_lock_interruptible(struct mutex *lock)
 {
+	might_sleep();
 	return __mutex_fastpath_lock_retval
 			(&lock->count, __mutex_lock_interruptible_slowpath);
 }