linux-kernel - [PATCH -next v2] binderfs: fix error return code in binderfs_fill

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Message-ID: <1547627642-96450-1-git-send-email-weiyongjun1@huawei.com>
Date:   Wed, 16 Jan 2019 08:34:02 +0000
From:   Wei Yongjun <weiyongjun1@...wei.com>
To:     <gregkh@...uxfoundation.org>, <arve@...roid.com>,
        <tkjos@...roid.com>, <maco@...roid.com>, <joel@...lfernandes.org>,
        <christian@...uner.io>
CC:     Wei Yongjun <weiyongjun1@...wei.com>, <devel@...verdev.osuosl.org>,
        <linux-kernel@...r.kernel.org>, <kernel-janitors@...r.kernel.org>
Subject: [PATCH -next v2] binderfs: fix error return code in binderfs_fill_super()

Fix to return a negative error code -ENOMEM from the new_inode() and
d_make_root() error handling cases instead of 0, as done elsewhere in
this function.

Fixes: 3ad20fe393b3 ("binder: implement binderfs")
Signed-off-by: Wei Yongjun <weiyongjun1@...wei.com>
---
v1 -> v2: move 'ret = -ENOMEM' out of if
---
 drivers/android/binderfs.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
index 9518e2e..e4ff4c3 100644
--- a/drivers/android/binderfs.c
+++ b/drivers/android/binderfs.c
@@ -518,6 +518,7 @@ static int binderfs_fill_super(struct super_block *sb, void *data, int silent)
 
 	sb->s_fs_info = info;
 
+	ret = -ENOMEM;
 	inode = new_inode(sb);
 	if (!inode)
 		goto err_without_dentry;