From 187226f57f1381cfc63216979b4375f30e593795 Mon Sep 17 00:00:00 2001 From: john stultz Date: Wed, 22 Aug 2007 14:01:10 -0700 Subject: futex_unlock_pi() hurts my brain and may cause application deadlock Avoid futex_unlock_pi returning -EFAULT (which results in deadlock), by clearing uval before jumping to retry_locked. Signed-off-by: John Stultz Acked-by: Steven Rostedt Cc: Ingo Molnar Cc: Thomas Gleixner Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- kernel/futex.c | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/futex.c b/kernel/futex.c index 3415e9ad139..e8935b195e8 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1670,6 +1670,7 @@ pi_faulted: attempt); if (ret) goto out; + uval = 0; goto retry_unlocked; } -- cgit v1.2.3