[PATCH] staging: most: sound: Fix error path of audio_init

[YueHaibing]

If most_register_configfs_subsys() fails, we should
call most_deregister_component() do cleanup.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: 919c03ae11b9 ("staging: most: enable configfs support")
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/staging/most/sound/sound.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/most/sound/sound.c b/drivers/staging/most/sound/sound.c
index 342f390..7981706 100644
--- a/drivers/staging/most/sound/sound.c
+++ b/drivers/staging/most/sound/sound.c
@@ -802,8 +802,11 @@ static int __init audio_init(void)
 	if (ret)
 		pr_err("Failed to register %s\n", comp.name);
 	ret = most_register_configfs_subsys(&comp);
-	if (ret)
+	if (ret) {
 		pr_err("Failed to register %s configfs subsys\n", comp.name);
+		most_deregister_component(&comp);
+	}
+
 	return ret;
 }
 
-- 
2.7.4