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

[Dan Carpenter]

On Thu, Aug 07, 2014 at 11:31:15AM -0400, Alex Deucher wrote:
> On Thu, Aug 7, 2014 at 11:27 AM, Dan Carpenter <dan.carpenter at oracle.com> wrote:
> > We can easily return -ENOMEM here if kzalloc() fails.
> >
> > Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>
> >
> > 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!
> 

Gar.  I'm sorry.  I thought it looked easier than it was.

Also I really should have caught that in my qc.  :/  I'm not sure what
happened.

regards,
dan carpenter