Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=187226f57f1381cfc63216979b4375f30e593795
Commit: 187226f57f1381cfc63216979b4375f30e593795
Parent: 42b88e6ad4014d290d6b59dfeb5d6949c5a3f346
Author: john stultz <[EMAIL PROTECTED]>
AuthorDate: Wed Aug 22 14:01:10 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Wed Aug 22 19:52:44 2007 -0700
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 <[EMAIL PROTECTED]>
Acked-by: Steven Rostedt <[EMAIL PROTECTED]>
Cc: Ingo Molnar <[EMAIL PROTECTED]>
Cc: Thomas Gleixner <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/futex.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/kernel/futex.c b/kernel/futex.c
index 3415e9a..e8935b1 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;
}
-
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