5 files changed, 23 insertions, 5 deletions

diff --git a/fs/lockd/netlink.c b/fs/lockd/netlink.c
index 6e00b02cad90..880c42b4f8c3 100644
--- a/fs/lockd/netlink.c
+++ b/fs/lockd/netlink.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/lockd.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/fs/lockd/netlink.h b/fs/lockd/netlink.h
index 1920543a7955..d8408f077dd8 100644
--- a/fs/lockd/netlink.h
+++ b/fs/lockd/netlink.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/lockd.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_LOCKD_GEN_H
 #define _LINUX_LOCKD_GEN_H
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index e80262a51884..d68afa196535 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -216,8 +216,7 @@ out_err:
 	if (warned++ == 0)
 		printk(KERN_WARNING
 			"lockd_up: makesock failed, error=%d\n", err);
-	svc_xprt_destroy_all(serv, net);
-	svc_rpcb_cleanup(serv, net);
+	svc_xprt_destroy_all(serv, net, true);
 	return err;
 }
 
@@ -255,8 +254,7 @@ static void lockd_down_net(struct svc_serv *serv, struct net *net)
 			nlm_shutdown_hosts_net(net);
 			cancel_delayed_work_sync(&ln->grace_period_end);
 			locks_end_grace(&ln->lockd_manager);
-			svc_xprt_destroy_all(serv, net);
-			svc_rpcb_cleanup(serv, net);
+			svc_xprt_destroy_all(serv, net, true);
 		}
 	} else {
 		pr_err("%s: no users! net=%x\n",
diff --git a/fs/lockd/svclock.c b/fs/lockd/svclock.c
index c1315df4b350..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;
 
@@ -980,7 +992,7 @@ nlmsvc_grant_reply(struct nlm_cookie *cookie, __be32 status)
 	struct file_lock	*fl;
 	int			error;
 
-	dprintk("grant_reply: looking for cookie %x, s=%d \n",
+	dprintk("grant_reply: looking for cookie %x, s=%d\n",
 		*(unsigned int *)(cookie->data), status);
 	if (!(block = nlmsvc_find_block(cookie)))
 		return;
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)) {