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drm/radeon: add a check for allocation failure (v2) 

We can easily return -ENOMEM here if kzalloc() fails.

v2: agd5f: drop the vm mutex

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Dan Carpenter 2014-08-07 18:27:37 +03:00 committed by Alex Deucher
parent 4fb0bbd5d0
commit 68b1ea30e4
1 changed files with 4 additions and 0 deletions
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4
drivers/gpu/drm/radeon/radeon_vm.c
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@ -483,6 +483,10 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
/* add a clone of the bo_va to clear the old address */
struct radeon_bo_va *tmp;
tmp = kzalloc(sizeof(struct radeon_bo_va), GFP_KERNEL);
if (!tmp) {
mutex_unlock(&vm->mutex);
return -ENOMEM;
}
tmp->it.start = bo_va->it.start;
tmp->it.last = bo_va->it.last;
tmp->vm = vm;