diff -Nur linux-2.6.33/fs/squashfs/super.c b/fs/squashfs/super.c
--- linux-2.6.33/fs/squashfs/super.c	2010-02-24 20:52:17.000000000 +0200
+++ b/fs/squashfs/super.c	2010-02-24 23:39:16.933441905 +0200
@@ -124,7 +124,7 @@
 	sb->s_magic = le32_to_cpu(sblk->s_magic);
 	if (sb->s_magic != SQUASHFS_MAGIC) {
 		if (!silent)
-			ERROR("Can't find a SQUASHFS superblock on %s\n",
+			WARNING("Can't find a SQUASHFS superblock on %s\n",
 						bdevname(sb->s_bdev, b));
 		err = -EINVAL;
 		goto failed_mount;