From: Dan Carpenter <error27@gmail.com>
To: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Cc: dri-devel@lists.freedesktop.org
Subject: [bug report] drm/display: hdmi: Add HDMI 2.0 scrambling management helpers
Date: Tue, 22 Sep 2026 14:39:24 +0300 [thread overview]
Message-ID: <arJo7A7L5hud3tyc@stanley.mountain> (raw)
Hello Cristian Ciocaltea,
Commit d653818324ed ("drm/display: hdmi: Add HDMI 2.0 scrambling
management helpers") from Sep 1, 2026, leads to the following Smatch
complaint:
drivers/gpu/drm/display/drm_hdmi_helper.c:663 drm_connector_hdmi_sync_scdc()
warn: variable dereferenced before check 'connector' (see line 657)
drivers/gpu/drm/display/drm_hdmi_helper.c
656 struct drm_connector_hdmi *hdmi = &connector->hdmi;
657 struct drm_device *dev = connector->dev;
^^^^^^^^^^^^^^
Dereference.
658 struct drm_connector_state *conn_state;
659 struct drm_crtc *crtc;
660 u8 config;
661 int ret;
662
663 if (!connector || !plugged || !ctx)
^^^^^^^^^
Checked too late.
664 return 0;
665
This email is a free service from the Smatch-CI project [smatch.sf.net].
regards,
dan carpenter
next reply other threads:[~2026-09-22 11:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-22 11:39 Dan Carpenter [this message]
2026-10-01 22:38 ` [bug report] drm/display: hdmi: Add HDMI 2.0 scrambling management helpers Cristian Ciocaltea
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