From: Christian König <christian.koenig@amd.com>
Date: Tue, 22 Jul 2014 09:30:43 +0000 (+0200)
Subject: drm/radeon: fix error handling in radeon_vm_bo_set_addr
X-Git-Tag: firefly_0821_release~176^2~3553^2~1^2~1
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5b7532756382cb31748f73df6a0af0138390c04f;p=firefly-linux-kernel-4.4.55.git

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 fa41e0d7d17d..725d3669014f 100644
--- 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;