--- linux-2.4.0-test10-pre5/fs/fcntl.c	Sun Oct 15 01:27:45 2000
+++ linux-akpm/fs/fcntl.c	Fri Nov  3 20:42:47 2000
@@ -254,11 +254,15 @@
 			unlock_kernel();
 			break;
 		case F_GETLK:
+			lock_kernel();
 			err = fcntl_getlk(fd, (struct flock *) arg);
+			unlock_kernel();
 			break;
 		case F_SETLK:
 		case F_SETLKW:
+			lock_kernel();
 			err = fcntl_setlk(fd, cmd, (struct flock *) arg);
+			unlock_kernel();
 			break;
 		case F_GETOWN:
 			/*