siano: get rid of an unused return code for debugfs register

The siano's debugfs register logic is optional: it should be ok
if it fails. So, no need to check if debufs register succeeded.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/media/common/siano/smsdvb-debugfs.c b/drivers/media/common/siano/smsdvb-debugfs.c
index 40891f4f842b..c95d4583498e 100644
--- a/drivers/media/common/siano/smsdvb-debugfs.c
+++ b/drivers/media/common/siano/smsdvb-debugfs.c
@@ -500,7 +500,7 @@ void smsdvb_debugfs_release(struct smsdvb_client_t *client)
 	client->debugfs = NULL;
 }
 
-int smsdvb_debugfs_register(void)
+void smsdvb_debugfs_register(void)
 {
 	struct dentry *d;
 
@@ -517,15 +517,15 @@ int smsdvb_debugfs_register(void)
 	d = debugfs_create_dir("smsdvb", usb_debug_root);
 	if (IS_ERR_OR_NULL(d)) {
 		pr_err("Couldn't create sysfs node for smsdvb\n");
-		return PTR_ERR(d);
-	} else {
-		smsdvb_debugfs_usb_root = d;
+		return;
 	}
-	return 0;
+	smsdvb_debugfs_usb_root = d;
 }
 
 void smsdvb_debugfs_unregister(void)
 {
+	if (!smsdvb_debugfs_usb_root)
+		return;
 	debugfs_remove_recursive(smsdvb_debugfs_usb_root);
 	smsdvb_debugfs_usb_root = NULL;
 }