Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-11 00:08:50 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

futex_unlock_pi() hurts my brain and may cause application deadlock

Browse Source 
Avoid futex_unlock_pi returning -EFAULT (which results in deadlock), by
clearing uval before jumping to retry_locked.

Signed-off-by: John Stultz <johnstul@us.ibm.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
john stultz 2007-08-22 14:01:10 -07:00 committed by Linus Torvalds
parent 42b88e6ad4
commit 187226f57f
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
kernel/futex.c
View File

@ -1670,6 +1670,7 @@ pi_faulted:
attempt);
if (ret)
goto out;
uval = 0;
goto retry_unlocked;
}