[PATCH v2 1/1] drm: check for NULL pointer in drm_gem_object_put

drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: [ 11.584209] BUG: kernel NULL pointer dereference, address: [ 11.584213] #PF: supervisor write access in kernel mode [ 11.584215] #PF: error_code(0x0002) - not-present page [ 11.584216] PGD 0 P4D 0 [

[PATCH v2 1/1] drm: check for NULL pointer in drm_gem_object_put

drm_gem_fb_destroy() calls drm_gem_object_put() with NULL obj causing: [ 11.584209] BUG: kernel NULL pointer dereference, address: [ 11.584213] #PF: supervisor write access in kernel mode [ 11.584215] #PF: error_code(0x0002) - not-present page [ 11.584216] PGD 0 P4D 0 [