From 801207c18834e289960c515bc41d243aa623763b Mon Sep 17 00:00:00 2001 From: Harshit Mogalapalli Date: Mon, 4 Dec 2023 09:13:14 -0800 Subject: [PATCH] drm/msm/dp: add a missing unlock in dp_hpd_plug_handle() When pm_runtime_resume_and_get() fails, unlock before returning. Fixes: 5814b8bf086a ("drm/msm/dp: incorporate pm_runtime framework into DP driver") Signed-off-by: Harshit Mogalapalli Reviewed-by: Dmitry Baryshkov Patchwork: https://patchwork.freedesktop.org/patch/570395/ Link: https://lore.kernel.org/r/20231204171317.192427-1-harshit.m.mogalapalli@oracle.com Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dp/dp_display.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 3a360c87e2dc4..20c5cf7986b22 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -564,6 +564,7 @@ static int dp_hpd_plug_handle(struct dp_display_private *dp, u32 data) ret = pm_runtime_resume_and_get(&pdev->dev); if (ret) { DRM_ERROR("failed to pm_runtime_resume\n"); + mutex_unlock(&dp->event_mutex); return ret; } -- 2.30.2