diff options
Diffstat (limited to 'fs/lockd/svcshare.c')
| -rw-r--r-- | fs/lockd/svcshare.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/lockd/svcshare.c b/fs/lockd/svcshare.c index b0ae07008700..88c81ce1148d 100644 --- a/fs/lockd/svcshare.c +++ b/fs/lockd/svcshare.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * linux/fs/lockd/svcshare.c * @@ -31,6 +32,9 @@ nlmsvc_share_file(struct nlm_host *host, struct nlm_file *file, struct xdr_netobj *oh = &argp->lock.oh; u8 *ohdata; + if (nlmsvc_file_cannot_lock(file)) + return nlm_lck_denied_nolocks; + for (share = file->f_shares; share; share = share->s_next) { if (share->s_host == host && nlm_cmp_owner(share, oh)) goto update; @@ -71,6 +75,9 @@ nlmsvc_unshare_file(struct nlm_host *host, struct nlm_file *file, struct nlm_share *share, **shpp; struct xdr_netobj *oh = &argp->lock.oh; + if (nlmsvc_file_cannot_lock(file)) + return nlm_lck_denied_nolocks; + for (shpp = &file->f_shares; (share = *shpp) != NULL; shpp = &share->s_next) { if (share->s_host == host && nlm_cmp_owner(share, oh)) { |