drm/radeon: fix error handling in radeon_vm_bo_set_addr

Signed-off-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index fa41e0d..725d366 100644 (file)
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -472,6 +472,10 @@ int radeon_vm_bo_set_addr(struct radeon_device *rdev,
        if (bo_va->soffset) {
                /* add a clone of the bo_va to clear the old address */
                tmp = kzalloc(sizeof(struct radeon_bo_va), GFP_KERNEL);
+               if (!tmp) {
+                       mutex_unlock(&vm->mutex);
+                       return -ENOMEM;
+               }
                tmp->soffset = bo_va->soffset;
                tmp->eoffset = bo_va->eoffset;
                tmp->vm = vm;