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4ffb8deeed
The Parfait (version 2.1.0) static code analysis tool found the following NULL pointer derefernce problem. - drivers/gpu/drm/drm_vblank.c Null pointer checks were added to return values from calls to drm_crtc_from_index(). There is a possibility, however minute, that crtc->index may not be found when trying to find the struct crtc from it's assigned index given in drm_crtc_init_with_planes(). 3 return checks for NULL where added with a call to WARN_ON(!crtc). Signed-off-by: Joe Moriarty <joe.moriarty@oracle.com> Reviewed-by: Steven Sistare <steven.sistare@oracle.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20180220191157.100960-2-joe.moriarty@oracle.com |
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