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

Chris Wilson chris at chris-wilson.co.uk
Mon Jul 20 05:38:46 PDT 2015


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.
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre


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