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authorFabian Frederick <fabf@skynet.be>2014-10-14 02:54:01 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-14 04:18:22 +0400
commit76e512108935ecdb46792208dae5f59c7ea78e25 (patch)
tree96ea1468ce3e23c2add86f986948a17d0eaad4ee /fs/omfs/omfs_fs.h
parent5ef9819234e285abe6b616864e7b1b4607d39b58 (diff)
downloadlinux-76e512108935ecdb46792208dae5f59c7ea78e25.tar.xz
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>
Diffstat (limited to 'fs/omfs/omfs_fs.h')
-rw-r--r--fs/omfs/omfs_fs.h1
1 files changed, 1 insertions, 0 deletions
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];