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| author | Eric W. Biederman <ebiederm@xmission.com> | 2016-06-06 15:36:07 -0500 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-07-27 09:47:28 -0700 |
| commit | a400a79321cdaf6cebf74666f975d6c8a3ee995f (patch) | |
| tree | 843fa4a9a1f7df2237eadea46976ddf0918d576d | |
| parent | 6256d2f541fc893083ebebb1369ff41803f6b129 (diff) | |
| download | linux-rt-a400a79321cdaf6cebf74666f975d6c8a3ee995f.tar.gz | |
mnt: If fs_fully_visible fails call put_filesystem.
commit 97c1df3e54e811aed484a036a798b4b25d002ecf upstream.
Add this trivial missing error handling.
Fixes: 1b852bceb0d1 ("mnt: Refactor the logic for mounting sysfs and proc in a user namespace")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | fs/namespace.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/namespace.c b/fs/namespace.c index 3bab9dae798a..33064fcbfff9 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2401,8 +2401,10 @@ static int do_new_mount(struct path *path, const char *fstype, int flags, mnt_flags |= MNT_NODEV | MNT_LOCK_NODEV; } if (type->fs_flags & FS_USERNS_VISIBLE) { - if (!fs_fully_visible(type, &mnt_flags)) + if (!fs_fully_visible(type, &mnt_flags)) { + put_filesystem(type); return -EPERM; + } } } |