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Commit c544bdb1 authored by Ingo Molnar's avatar Ingo Molnar Committed by Linus Torvalds
Browse files

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



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

Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 73165b88

kernel/mutex.c

+2 −0
Original line number Diff line number Diff line
@@ -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);

}