From 76e512108935ecdb46792208dae5f59c7ea78e25 Mon Sep 17 00:00:00 2001
From: Fabian Frederick <fabf@skynet.be>
Date: Mon, 13 Oct 2014 15:54:01 -0700
Subject: FS/OMFS: block number sanity check during fill_super operation

This patch defines maximum block number to 2^31.  It also converts
bitmap_size and array_size to unsigned int in omfs_get_imap

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Suggested-by: Bob Copeland <me@bobcopeland.com>
Acked-by: Bob Copeland <me@bobcopeland.com>
Tested-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---
 fs/omfs/omfs_fs.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'fs/omfs/omfs_fs.h')

diff --git a/fs/omfs/omfs_fs.h b/fs/omfs/omfs_fs.h
index ee5e4327de92..83a98330ed66 100644
--- a/fs/omfs/omfs_fs.h
+++ b/fs/omfs/omfs_fs.h
@@ -18,6 +18,7 @@
 #define OMFS_XOR_COUNT 19
 #define OMFS_MAX_BLOCK_SIZE 8192
 #define OMFS_MAX_CLUSTER_SIZE 8
+#define OMFS_MAX_BLOCKS (1ul << 31)
 
 struct omfs_super_block {
 	char s_fill1[256];
-- 
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