An error while initializing the msm driver ends up calling drm_atomic_helper_shutdown() without first initializing the funcs in mode_config. While I'm not 100% sure this isn't a ordering problem in msm adding a check to drm_mode_alloc seems like a nice and safe solution.
Signed-off-by: Jordan Crouse jcrouse@codeaurora.org ---
drivers/gpu/drm/drm_atomic.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c index 5eb4013..1729428 100644 --- a/drivers/gpu/drm/drm_atomic.c +++ b/drivers/gpu/drm/drm_atomic.c @@ -114,6 +114,9 @@ drm_atomic_state_alloc(struct drm_device *dev) { struct drm_mode_config *config = &dev->mode_config;
+ if (!config->funcs) + return NULL; + if (!config->funcs->atomic_state_alloc) { struct drm_atomic_state *state;