From: Hangyu Hua hbh25y@gmail.com
stable inclusion from stable-v5.10.118 commit e5289affbacc0d88214111774adb02d771d1213d category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I5L686
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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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@... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- drivers/gpu/drm/drm_dp_mst_topology.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/drm_dp_mst_topology.c b/drivers/gpu/drm/drm_dp_mst_topology.c index 1f54e9470165..ab423b0413ee 100644 --- a/drivers/gpu/drm/drm_dp_mst_topology.c +++ b/drivers/gpu/drm/drm_dp_mst_topology.c @@ -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); }
/**