From: Dan Carpenter Date: Thu, 7 Aug 2014 15:27:37 +0000 (+0300) Subject: drm/radeon: add a check for allocation failure (v2) X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=68b1ea30e4b64c6c5a1ed7c1970062d61c1a892c;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git 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 Signed-off-by: Alex Deucher --- diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c index ccae4d9dc3de..9c8358f6f130 100644 --- a/drivers/gpu/drm/radeon/radeon_vm.c +++ b/drivers/gpu/drm/radeon/radeon_vm.c @@ -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;