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

commit 6e03b13 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 <[email protected]> Reviewed-by: Lyude Paul <[email protected]> Signed-off-by: Lyude Paul <[email protected]> Cc: [email protected] Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
psndna88 · May 27, 2022 · 3791dcd · 3791dcd
1 parent 87bb2bb
commit 3791dcd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c
@@ -4852,6 +4852,7 @@ 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);
 }
 
 /**