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    Subject[PATCH 5.17 065/158] drm/dp/mst: fix a possible memory leak in fetch_monitor_name()
    Date
    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
    @@ -4852,6 +4852,7 @@ 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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