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| author | Dāvis Mosāns <davispuh@gmail.com> | 2015-08-21 07:29:22 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-11-09 14:33:39 -0800 |
| commit | e12243dc14b81bc5c4e6e82b0b9ff9911a060a30 (patch) | |
| tree | 5b20838bcadef80079ec5bf51ca6134421cbb49b /fs/btrfs/ioctl.c | |
| parent | f37c8c0acecff7edaec3bdd5ea84765e2058edb6 (diff) | |
mvsas: Fix NULL pointer dereference in mvs_slot_task_free
commit 2280521719e81919283b82902ac24058f87dfc1b upstream.
When pci_pool_alloc fails in mvs_task_prep then task->lldd_task stays
NULL but it's later used in mvs_abort_task as slot which is passed
to mvs_slot_task_free causing NULL pointer dereference.
Just return from mvs_slot_task_free when passed with NULL slot.
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=101891
Signed-off-by: Dāvis Mosāns <davispuh@gmail.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/btrfs/ioctl.c')
0 files changed, 0 insertions, 0 deletions