[PATCH] media: siano: fix memory leak of debugfs members in smsdvb_hotplug

[Keita Suzuki]

When dvb_create_media_graph fails, the debugfs kept inside client should
be released. However, the current implementation does not release them.

Fix this by adding a new goto label to call smsdvb_debugfs_release.

Fixes: 0d3ab8410dcb ("[media] dvb core: must check dvb_create_media_graph()")
Signed-off-by: Keita Suzuki <keitasuzuki.p...@sslab.ics.keio.ac.jp>
---
 drivers/media/common/siano/smsdvb-main.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/media/common/siano/smsdvb-main.c 
b/drivers/media/common/siano/smsdvb-main.c
index 88f90dfd368b..ae17407e477a 100644
--- a/drivers/media/common/siano/smsdvb-main.c
+++ b/drivers/media/common/siano/smsdvb-main.c
@@ -1169,12 +1169,15 @@ static int smsdvb_hotplug(struct smscore_device_t 
*coredev,
        rc = dvb_create_media_graph(&client->adapter, true);
        if (rc < 0) {
                pr_err("dvb_create_media_graph failed %d\n", rc);
-               goto client_error;
+               goto media_graph_error;
        }
 
        pr_info("DVB interface registered.\n");
        return 0;
 
+media_graph_error:
+       smsdvb_debugfs_release(client);
+
 client_error:
        dvb_unregister_frontend(&client->frontend);
 
-- 
2.17.1