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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-07-20 14:17:00 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2012-07-25 14:12:17 +1000 |
| commit | 1e179d4e283bd197035960ef751b5ccac06cbf91 (patch) | |
| tree | 56c654d2772ceb77823669d79c0f1b491226dec5 /drivers/gpu | |
| parent | d1c7871ddb1f588b8eb35affd9ee1a3d5e11cd0c (diff) | |
| download | blackbird-op-linux-1e179d4e283bd197035960ef751b5ccac06cbf91.tar.gz blackbird-op-linux-1e179d4e283bd197035960ef751b5ccac06cbf91.zip | |
drm/radeon: check for allocation failure in radeon_ring_backup()
Static checkers complain if this we don't check for allocation failure.
Also we can use the new kmalloc_array() function here as a cleanup.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_ring.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c index f2fc25de0b2f..ec79b3750430 100644 --- a/drivers/gpu/drm/radeon/radeon_ring.c +++ b/drivers/gpu/drm/radeon/radeon_ring.c @@ -594,7 +594,11 @@ unsigned radeon_ring_backup(struct radeon_device *rdev, struct radeon_ring *ring } /* and then save the content of the ring */ - *data = kmalloc(size * 4, GFP_KERNEL); + *data = kmalloc_array(size, sizeof(uint32_t), GFP_KERNEL); + if (!*data) { + mutex_unlock(&rdev->ring_lock); + return 0; + } for (i = 0; i < size; ++i) { (*data)[i] = ring->ring[ptr++]; ptr &= ring->ptr_mask; |
