Messages in this thread Patch in this message | | | From | Darren Hart <> | Subject | [PATCH] futex: set FLAGS_HAS_TIMEOUT during demux for FUTEX_WAIT | Date | Thu, 14 Apr 2011 09:58:33 -0700 |
| |
The FLAGS_HAS_TIMEOUT flag was not getting set, causing the restart_block to restart futex_wait() without a timeout after a signal.
Signed-off-by: Darren Hart <dvhart@linux.intel.com> Reported-by: Tim Smith <tsmith201104@yahoo.com> Reported-by: Torsten Hilbrich <torsten.hilbrich@secunet.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ingo Molnar <mingo@elte.hu> CC: Eric Dumazet <eric.dumazet@gmail.com> CC: John Kacur <jkacur@redhat.com> --- kernel/futex.c | 3 +++ 1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/kernel/futex.c b/kernel/futex.c index bda4157..6eac6b6 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -2589,6 +2589,9 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout, return -ENOSYS; } + if (timeout) + flags |= FLAGS_HAS_TIMEOUT; + switch (cmd) { case FUTEX_WAIT: val3 = FUTEX_BITSET_MATCH_ANY; -- 1.7.1
| |