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

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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>
This commit is contained in:
Hangyu Hua 2022-05-16 11:20:42 +08:00 committed by Greg Kroah-Hartman
parent 8ceca1a069
commit e5289affba
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/drm_dp_mst_topology.c
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@ -4792,6 +4792,7 @@ 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);
}
/**