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| author |   Eric W. Biederman <ebiederm@xmission.com> | 2016-06-06 15:36:07 -0500 |
|---|---|---|
| committer | Eric W. Biederman <ebiederm@xmission.com> | 2016-06-06 20:48:31 -0500 |
| commit | 97c1df3e54e811aed484a036a798b4b25d002ecf (patch) | |
| tree | a4de3720a182f480db96ea927d1fbbac2e5daf40 /fs/namespace.c | |
| parent | Linux 4.7-rc2 (diff) | |
| download | linux-dev-97c1df3e54e811aed484a036a798b4b25d002ecf.tar.xz linux-dev-97c1df3e54e811aed484a036a798b4b25d002ecf.zip | |
mnt: If fs_fully_visible fails call put_filesystem.
Add this trivial missing error handling.
Cc: stable@vger.kernel.org
Fixes: 1b852bceb0d1 ("mnt: Refactor the logic for mounting sysfs and proc in a user namespace")
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'fs/namespace.c')
| -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 4fb1691b4355..9d45c8a3414f 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2409,8 +2409,10 @@ 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; + } } } |