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Diffstat (limited to 'fs/lockd')
-rw-r--r--fs/lockd/svclock.c12
-rw-r--r--fs/lockd/svcshare.c6
2 files changed, 18 insertions, 0 deletions
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index a31dc9588eb8..3a3d05cfe09a 100644
--- a/fs/lockd/svclock.c
+++ b/fs/lockd/svclock.c
@@ -495,6 +495,9 @@ nlmsvc_lock(struct svc_rqst *rqstp, struct nlm_file *file,
(long long)lock->fl.fl_end,
wait);
+ if (nlmsvc_file_cannot_lock(file))
+ return nlm_lck_denied_nolocks;
+
if (!locks_can_async_lock(nlmsvc_file_file(file)->f_op)) {
async_block = wait;
wait = 0;
@@ -621,6 +624,9 @@ nlmsvc_testlock(struct svc_rqst *rqstp, struct nlm_file *file,
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
+ if (nlmsvc_file_cannot_lock(file))
+ return nlm_lck_denied_nolocks;
+
if (locks_in_grace(SVC_NET(rqstp))) {
ret = nlm_lck_denied_grace_period;
goto out;
@@ -678,6 +684,9 @@ nlmsvc_unlock(struct net *net, struct nlm_file *file, struct nlm_lock *lock)
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
+ if (nlmsvc_file_cannot_lock(file))
+ return nlm_lck_denied_nolocks;
+
/* First, cancel any lock that might be there */
nlmsvc_cancel_blocked(net, file, lock);
@@ -715,6 +724,9 @@ nlmsvc_cancel_blocked(struct net *net, struct nlm_file *file, struct nlm_lock *l
(long long)lock->fl.fl_start,
(long long)lock->fl.fl_end);
+ if (nlmsvc_file_cannot_lock(file))
+ return nlm_lck_denied_nolocks;
+
if (locks_in_grace(net))
return nlm_lck_denied_grace_period;
diff --git a/fs/lockd/svcshare.c b/fs/lockd/svcshare.c
index ade4931b2da2..88c81ce1148d 100644
--- a/fs/lockd/svcshare.c
+++ b/fs/lockd/svcshare.c
@@ -32,6 +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;
@@ -72,6 +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)) {