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Merge "drm/msm/sde: prevent null pointer access on disabled encoder"

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qctecmdr Service 2018-08-24 02:37:12 -07:00 committed by Gerrit - the friendly Code Review server
commit d581293e4b
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/msm/sde/sde_encoder.c
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@ -3294,6 +3294,12 @@ static void sde_encoder_frame_done_callback(
struct sde_encoder_virt *sde_enc = to_sde_encoder_virt(drm_enc);
unsigned int i;
if (!drm_enc || !sde_enc->cur_master) {
SDE_ERROR("invalid param: drm_enc %x, cur_master %x\n",
drm_enc, drm_enc ? sde_enc->cur_master : 0);
return;
}
sde_enc->crtc_frame_event_cb_data.connector =
sde_enc->cur_master->connector;