From: Darren Hart Date: Thu, 14 Apr 2011 22:41:57 +0000 (-0700) Subject: futex: Set FLAGS_HAS_TIMEOUT during futex_wait restart setup X-Git-Tag: v2.6.39-rc4~17^2 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=0cd9c6494ee5c19aef085152bc37f3a4e774a9e1;p=~shefty%2Frdma-dev.git futex: Set FLAGS_HAS_TIMEOUT during futex_wait restart setup The FLAGS_HAS_TIMEOUT flag was not getting set, causing the restart_block to restart futex_wait() without a timeout after a signal. Commit b41277dc7a18ee332d in 2.6.38 introduced the regression by accidentally removing the the FLAGS_HAS_TIMEOUT assignment from futex_wait() during the setup of the restart block. Restore the originaly behavior. Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=32922 Reported-by: Tim Smith Reported-by: Torsten Hilbrich Signed-off-by: Darren Hart Signed-off-by: Eric Dumazet Cc: Peter Zijlstra Cc: John Kacur Cc: stable@kernel.org Link: http://lkml.kernel.org/r/%3Cdaac0eb3af607f72b9a4d3126b2ba8fb5ed3b883.1302820917.git.dvhart%40linux.intel.com%3E Signed-off-by: Thomas Gleixner --- diff --git a/kernel/futex.c b/kernel/futex.c index dfb924ffe65..fe28dc282ea 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -1886,7 +1886,7 @@ retry: restart->futex.val = val; restart->futex.time = abs_time->tv64; restart->futex.bitset = bitset; - restart->futex.flags = flags; + restart->futex.flags = flags | FLAGS_HAS_TIMEOUT; ret = -ERESTART_RESTARTBLOCK;