[PATCH] EXT3 fs divide by 0 in ext3_fill_super (2.5.44)

[Angus Sawyer]

problem:

attempting to mount an ext3 fs on a stopped md/raid1 array caused a divide by 
0 error in ext3_fill_super.

Fix duplicates check already in ext2.

patch:

--- linux-2.5.44/fs/ext3/super.c	Wed Oct 23 16:19:08 2002
+++ linux/fs/ext3/super.c	Mon Oct 28 11:29:33 2002
@@ -986,6 +986,10 @@
 		goto out_fail;
 
 	blocksize = sb_min_blocksize(sb, EXT3_MIN_BLOCK_SIZE);
+	if (!blocksize) {
+		printk(KERN_ERR "EXT3-fs: unable to set blocksize\n");
+		goto out_fail;
+	}
 
 	/*
 	 * The ext3 superblock will not be buffer aligned for other than 1kB