Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 12/25] drm/dp/mst: fix a possible memory leak in fetch_monitor_name() | Date | Mon, 23 May 2022 19:03:30 +0200 |
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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 @@ -2830,6 +2830,7 @@ 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); } /**
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