Commit 26e44f6c authored May 16, 2022 by Hangyu Hua Committed by Greg Kroah-Hartman May 25, 2022

drm/dp/mst: fix a possible memory leak in fetch_monitor_name()



commit 6e03b13cc7d9427c2c77feed1549191015615202 upstream.

drm_dp_mst_get_edid call kmemdup to create mst_edid. So mst_edid need to be
freed after use.

Signed-off-by: Hangyu Hua <hbh25y@gmail.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Lyude Paul <lyude@redhat.com>
Cc: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20220516032042.13166-1-hbh25y@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 71a89789

drivers/gpu/drm/drm_dp_mst_topology.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -2987,6 +2987,7 @@ static void fetch_monitor_name(struct drm_dp_mst_topology_mgr *mgr,

		mst_edid = drm_dp_mst_get_edid(port->connector, mgr, port);
		drm_edid_get_monitor_name(mst_edid, name, namelen);
		kfree(mst_edid);
		}

		/**