From: Jessica Zhang Date: Tue, 21 Feb 2023 18:42:54 +0000 (-0800) Subject: drm/msm: Check for NULL before calling prepare_commit() X-Git-Tag: v6.4-rc1~31^2~11^2~60 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=078f6ec8657db604a1620da6698fb236e9b96bec;p=linux-block.git drm/msm: Check for NULL before calling prepare_commit() Add a NULL check before calling prepare_commit() in msm_atomic_commit_tail() Signed-off-by: Jessica Zhang Reviewed-by: Dmitry Baryshkov Reviewed-by: Marijn Suijten Patchwork: https://patchwork.freedesktop.org/patch/523604/ Link: https://lore.kernel.org/r/20230221184256.1436-3-quic_jesszhan@quicinc.com Signed-off-by: Dmitry Baryshkov --- diff --git a/drivers/gpu/drm/msm/msm_atomic.c b/drivers/gpu/drm/msm/msm_atomic.c index c5e71c05f038..608a969efea2 100644 --- a/drivers/gpu/drm/msm/msm_atomic.c +++ b/drivers/gpu/drm/msm/msm_atomic.c @@ -205,7 +205,8 @@ void msm_atomic_commit_tail(struct drm_atomic_state *state) * Now that there is no in-progress flush, prepare the * current update: */ - kms->funcs->prepare_commit(kms, state); + if (kms->funcs->prepare_commit) + kms->funcs->prepare_commit(kms, state); /* * Push atomic updates down to hardware: