Re: [patch] drm/radeon: add a check for allocation failure

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I'm 100% sure that I've fixed that as well with a follow up patch. Looks like that one didn't made it into 3.17

Christian.

Am 07.08.2014 um 17:31 schrieb Alex Deucher:
On Thu, Aug 7, 2014 at 11:27 AM, Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote:
We can easily return -ENOMEM here if kzalloc() fails.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/gpu/drm/radeon/radeon_vm.c b/drivers/gpu/drm/radeon/radeon_vm.c
index ccae4d9..d15d987 100644
--- a/drivers/gpu/drm/radeon/radeon_vm.c
+++ b/drivers/gpu/drm/radeon/radeon_vm.c
@@ -483,6 +483,8 @@ 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)
+                               return -ENOMEM;
We need to drop the lock here too.  I'll apply and fix it up.  Thanks!

Alex

                         tmp->it.start = bo_va->it.start;
                         tmp->it.last = bo_va->it.last;
                         tmp->vm = vm;
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