| commit | f469b2626f48829c06e40ac799c1edf62b12048e | |
| author | Michael S. Tsirkin <mst@mellanox.co.il> | |
| Wed, 29 Nov 2006 23:33:10 +0000 (29 15:33 -0800) | ||
| committer | Roland Dreier <rolandd@cisco.com> | |
| Wed, 29 Nov 2006 23:33:10 +0000 (29 15:33 -0800) | ||
| tree | 425a3a94af73ed41c7eb28a0ad50d411bc545663 | treesnapshot (tar.gz zip) |
| parent | e1444b5a163e81138754cab27c4fa1637b5a2239 | commitdiff |
IB/ucm: Fix deadlock in cleanup
ib_ucm_cleanup_events() holds file_mutex while calling ib_destroy_cm_id().
This can deadlock since ib_destroy_cm_id() flushes event handlers, and
ib_ucm_event_handler() needs file_mutex, too. Therefore, drop the
file_mutex during the call to ib_destroy_cm_id().
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
ib_ucm_cleanup_events() holds file_mutex while calling ib_destroy_cm_id().
This can deadlock since ib_destroy_cm_id() flushes event handlers, and
ib_ucm_event_handler() needs file_mutex, too. Therefore, drop the
file_mutex during the call to ib_destroy_cm_id().
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
| drivers/infiniband/core/ucm.c | diffblobblamehistory |