diff -NurpP linux-2.6.16-vs2.1.1-rc14.3/drivers/block/loop.c linux-2.6.16-vs2.1.1-rc14.4/drivers/block/loop.c
--- linux-2.6.16-vs2.1.1-rc14.3/drivers/block/loop.c	2006-03-24 03:37:07 +0100
+++ linux-2.6.16-vs2.1.1-rc14.4/drivers/block/loop.c	2006-03-25 02:30:37 +0100
@@ -747,6 +747,7 @@ static int loop_set_fd(struct loop_devic
 	int		lo_flags = 0;
 	int		error;
 	loff_t		size;
+	pid_t		pid;
 
 	/* This is safe, since we have a reference from open(). */
 	__module_get(THIS_MODULE);
@@ -839,10 +840,14 @@ static int loop_set_fd(struct loop_devic
 
 	set_blocksize(bdev, lo_blocksize);
 
-	kernel_thread(loop_thread, lo, CLONE_KERNEL);
+	pid = kernel_thread(loop_thread, lo, CLONE_KERNEL);
+	if (pid < 0)
+		goto out_err;
 	wait_for_completion(&lo->lo_done);
 	return 0;
 
+ out_err:
+	error = (int)pid;
  out_putf:
 	fput(file);
  out: