Quoting Daniel Vetter <dan...@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 <garsi...@embeddedor.com>

Oops. Applied to drm-misc-next, thanks for your patch.
-Daniel


Glad to help. :)

Thanks
--
Gustavo A. R. Silva




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