X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=fs%2Fnfs%2Fnfs4proc.c;h=6917311f201c32d679772337e440ba21e807a04b;hb=b855192c08fcb14adbc5d3a7cab182022d433cca;hp=df24f67bca6920647734e92868503ea25d5ce737;hpb=fccba8045537f7e840d0e7565e1989d465e488a3;p=deliverable%2Flinux.git

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index df24f67bca69..6917311f201c 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -4093,15 +4093,23 @@ nfs4_proc_lock(struct file *filp, int cmd, struct file_lock *request)
 	if (request->fl_start < 0 || request->fl_end < 0)
 		return -EINVAL;
 
-	if (IS_GETLK(cmd))
-		return nfs4_proc_getlk(state, F_GETLK, request);
+	if (IS_GETLK(cmd)) {
+		if (state != NULL)
+			return nfs4_proc_getlk(state, F_GETLK, request);
+		return 0;
+	}
 
 	if (!(IS_SETLK(cmd) || IS_SETLKW(cmd)))
 		return -EINVAL;
 
-	if (request->fl_type == F_UNLCK)
-		return nfs4_proc_unlck(state, cmd, request);
+	if (request->fl_type == F_UNLCK) {
+		if (state != NULL)
+			return nfs4_proc_unlck(state, cmd, request);
+		return 0;
+	}
 
+	if (state == NULL)
+		return -ENOLCK;
 	do {
 		status = nfs4_proc_setlk(state, cmd, request);
 		if ((status != -EAGAIN) || IS_SETLK(cmd))