[PATCH] drm/msm: Fix possible uninitialized access in fbdev

[Abhinav Kumar]

On 2/22/2023 4:37 AM, Thomas Zimmermann wrote:
> Do not run drm_fb_helper_unprepare() if fbdev allocation fails. Avoids
> access to an uninitialized pointer. Original bug report is at [1].
> 
> Reported-by: kernel test robot <lkp at intel.com>
> Signed-off-by: Thomas Zimmermann <tzimmermann at suse.de>
> Fixes: 3fb1f62f80a1 ("drm/fb-helper: Remove drm_fb_helper_unprepare() from drm_fb_helper_fini()")
> Link: https://lore.kernel.org/oe-kbuild-all/202302220810.9dymwCQ8-lkp@intel.com/ # 1
> ---
>   drivers/gpu/drm/msm/msm_fbdev.c | 4 ++--
>   1 file changed, 2 insertions(+), 2 deletions(-)

Reviewed-by: Abhinav Kumar <quic_abhinavk at quicinc.com>