linux-kernel - [PATCH] staging: most: Fix error path of audio

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Message-ID: <20190621151637.34544-1-yuehaibing@huawei.com>
Date:   Fri, 21 Jun 2019 23:16:37 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <gregkh@...uxfoundation.org>, <christian.gromm@...rochip.com>,
        <colin.king@...onical.com>, <dan.carpenter@...cle.com>
CC:     <linux-kernel@...r.kernel.org>, <devel@...verdev.osuosl.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH] staging: most: Fix error path of audio_init

If most_register_configfs_subsys fails, call
most_deregister_component to clean up.

Fixes: 919c03ae11b9 ("staging: most: enable configfs support")
Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 drivers/staging/most/sound/sound.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/most/sound/sound.c b/drivers/staging/most/sound/sound.c
index 342f390..05996a5 100644
--- a/drivers/staging/most/sound/sound.c
+++ b/drivers/staging/most/sound/sound.c
@@ -799,11 +799,17 @@ static int __init audio_init(void)
 	INIT_LIST_HEAD(&adpt_list);
 
 	ret = most_register_component(&comp);
-	if (ret)
+	if (ret) {
 		pr_err("Failed to register %s\n", comp.name);
+		return ret;
+	}
+
 	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