| From 6e03b13cc7d9427c2c77feed1549191015615202 Mon Sep 17 00:00:00 2001 |
| From: Hangyu Hua <hbh25y@gmail.com> |
| Date: Mon, 16 May 2022 11:20:42 +0800 |
| Subject: drm/dp/mst: fix a possible memory leak in fetch_monitor_name() |
| |
| From: Hangyu Hua <hbh25y@gmail.com> |
| |
| 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> |
| --- |
| drivers/gpu/drm/drm_dp_mst_topology.c | 1 + |
| 1 file changed, 1 insertion(+) |
| |
| --- a/drivers/gpu/drm/drm_dp_mst_topology.c |
| +++ b/drivers/gpu/drm/drm_dp_mst_topology.c |
| @@ -2910,6 +2910,7 @@ static void fetch_monitor_name(struct dr |
| |
| mst_edid = drm_dp_mst_get_edid(port->connector, mgr, port); |
| drm_edid_get_monitor_name(mst_edid, name, namelen); |
| + kfree(mst_edid); |
| } |
| |
| /** |
