[PATCH] drm/i915: fix possible null pointer dereference

[Sudip Mukherjee]

On Mon, Jul 20, 2015 at 01:38:46PM +0100, Chris Wilson wrote:
> On Mon, Jul 20, 2015 at 05:59:29PM +0530, Sudip Mukherjee wrote:
> > We were dereferencing dev first and then checking if it is NULL. Lets
> > check for NULL first and then dereference.
> 
> The code is bonkers. Testing for a lack of a correctly constructed
> debugfs seq_file inside the debugfs seq_file callback is inane.
I missed seeing before sending this patch that there are some more
places where this has been done.
Then are you suggesting to remove the test?

regards
sudip