drm: Make drm_fb_unregister/remove accept NULL fb

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These functions are used by drivers to release fbdev emulation
buffers. We need to make them resilient to NULL pointers to
make the fbdev compile/runtime knobs not cause Oopses on module
unload.

Cc: Archit Taneja <architt@codeaurora.org>
Reviewed-by: Rob Clark <robdclark@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Daniel Vetter 2015-08-25 15:45:11 +02:00

parent b7bdf0a87a

commit a39a357c6c

1 changed files with 12 additions and 2 deletions

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14

drivers/gpu/drm/drm_crtc.c

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