diff options
| author |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:56:10 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-05 08:56:10 +0200 |
| commit | de800f290dfaa341f22acac22bc454ea2bbf8f71 (patch) | |
| tree | 02ac02009524e4a8a4c1b169583618690bdd2567 /fs/cachefiles/bind.c | |
| parent | usb: xhci-mtk: support quirk to disable usb2 lpm (diff) | |
| parent | Linux 5.12-rc6 (diff) | |
Merge 5.12-rc6 into usb-next
We want the USB fixes in here as well and it resolves a merge issue with
xhci-mtk.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/cachefiles/bind.c')
| -rw-r--r-- | fs/cachefiles/bind.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c index dfb14dbddf51..38bb7764b454 100644 --- a/fs/cachefiles/bind.c +++ b/fs/cachefiles/bind.c @@ -118,6 +118,12 @@ static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache) cache->mnt = path.mnt; root = path.dentry; + ret = -EINVAL; + if (mnt_user_ns(path.mnt) != &init_user_ns) { + pr_warn("File cache on idmapped mounts not supported"); + goto error_unsupported; + } + /* check parameters */ ret = -EOPNOTSUPP; if (d_is_negative(root) || |