diff options
author | Darren Hart <dvhart@linux.intel.com> | 2012-07-20 14:53:29 -0400 |
---|---|---|
committer | Luis Henriques <luis.henriques@canonical.com> | 2012-08-13 09:10:40 -0400 |
commit | 01b3c280b2f55aee50945b964fb9c7befdb4f1ee (patch) | |
tree | 7ac21f7a9c04f98e01f534b5fe611e33bb109ccb /kernel/rtmutex-debug.c | |
parent | d4108173147a914021953159da57589054c0b560 (diff) |
futex: Test for pi_mutex on fault in futex_wait_requeue_pi()
BugLink: http://bugs.launchpad.net/bugs/1034988
commit b6070a8d9853eda010a549fa9a09eb8d7269b929 upstream.
If fixup_pi_state_owner() faults, pi_mutex may be NULL. Test
for pi_mutex != NULL before testing the owner against current
and possibly unlocking it.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
Cc: Dave Jones <davej@redhat.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Link: http://lkml.kernel.org/r/dc59890338fc413606f04e5c5b131530734dae3d.1342809673.git.dvhart@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Diffstat (limited to 'kernel/rtmutex-debug.c')
0 files changed, 0 insertions, 0 deletions