[PATCH] drm/fb-helper: Fix potential NULL pointer dereference

Gustavo A. R. Silva garsilva at embeddedor.com
Wed Dec 6 17:07:27 UTC 2017

Quoting Daniel Vetter <daniel at ffwll.ch>:

> On Tue, Dec 05, 2017 at 11:46:28AM -0600, Gustavo A. R. Silva wrote:
>> fb_helper is being dereferenced before it is null checked,
>> hence there is a potential null pointer dereference.
>> Fix this by moving the pointer dereference after fb_helper
>> has been null checked.
>> This issue was detected with the help of Coccinelle.
>> Fixes: c777990fb45b ("drm/fb-helper: Handle function NULL argument")
>> Signed-off-by: Gustavo A. R. Silva <garsilva at embeddedor.com>
> Oops. Applied to drm-misc-next, thanks for your patch.
> -Daniel

Glad to help. :)

Gustavo A. R. Silva

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