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f2fs: Fix uninitialized return in f2fs_ioc_shutdown()

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[ Upstream commit 2a96d8ad94ce57cb0072f7a660b1039720c47716 ]

"ret" can be uninitialized on the success path when "in ==
F2FS_GOING_DOWN_FULLSYNC".

Fixes: 60b2b4ee2bc0 ("f2fs: Fix deadlock in shutdown ioctl")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2018-06-20 13:39:53 +03:00 committed by Greg Kroah-Hartman
parent c1792b6d2b
commit 363bb035cb
1 changed files with 1 additions and 1 deletions
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2
fs/f2fs/file.c
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@ -1665,7 +1665,7 @@ static int f2fs_ioc_shutdown(struct file *filp, unsigned long arg)
struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
struct super_block *sb = sbi->sb;
__u32 in;
int ret;
int ret = 0;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;