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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Tiezhu Yang <kernelpatch@126.com>,
        Chao Yu <yuchao0@huawei.com>, Jaegeuk Kim <jaegeuk@kernel.org>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.14 045/205] f2fs: fix wrong return value of f2fs_acl_create
Date:   Mon, 11 Feb 2019 15:17:23 +0100
Message-Id: <20190211141831.838506456@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit f6176473a0c7472380eef72ebeb330cf9485bf0a ]

When call f2fs_acl_create_masq() failed, the caller f2fs_acl_create()
should return -EIO instead of -ENOMEM, this patch makes it consistent
with posix_acl_create() which has been fixed in commit beaf226b863a
("posix_acl: don't ignore return value of posix_acl_create_masq()").

Fixes: 83dfe53c185e ("f2fs: fix reference leaks in f2fs_acl_create")
Signed-off-by: Tiezhu Yang <kernelpatch@126.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 fs/f2fs/acl.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c
index 436b3a1464d9..5e4860b8bbfc 100644
--- a/fs/f2fs/acl.c
+++ b/fs/f2fs/acl.c
@@ -349,12 +349,14 @@ static int f2fs_acl_create(struct inode *dir, umode_t *mode,
 		return PTR_ERR(p);
 
 	clone = f2fs_acl_clone(p, GFP_NOFS);
-	if (!clone)
-		goto no_mem;
+	if (!clone) {
+		ret = -ENOMEM;
+		goto release_acl;
+	}
 
 	ret = f2fs_acl_create_masq(clone, mode);
 	if (ret < 0)
-		goto no_mem_clone;
+		goto release_clone;
 
 	if (ret == 0)
 		posix_acl_release(clone);
@@ -368,11 +370,11 @@ static int f2fs_acl_create(struct inode *dir, umode_t *mode,
 
 	return 0;
 
-no_mem_clone:
+release_clone:
 	posix_acl_release(clone);
-no_mem:
+release_acl:
 	posix_acl_release(p);
-	return -ENOMEM;
+	return ret;
 }
 
 int f2fs_init_acl(struct inode *inode, struct inode *dir, struct page *ipage,
-- 
2.19.1