summaryrefslogtreecommitdiff
path: root/fs/omfs/inode.c
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2014-10-14 03:54:50 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-10-14 03:54:50 +0200
commitdfe2c6dcc8ca2cdc662d7c0473e9811b72ef3370 (patch)
tree9ed639a08c16322cdf136d576f42df5b97cd1549 /fs/omfs/inode.c
parenta45d572841a24db02a62cf05e1157c35fdd3705b (diff)
parent64e455079e1bd7787cc47be30b7f601ce682a5f6 (diff)
Merge branch 'akpm' (patches from Andrew Morton)
Merge second patch-bomb from Andrew Morton: - a few hotfixes - drivers/dma updates - MAINTAINERS updates - Quite a lot of lib/ updates - checkpatch updates - binfmt updates - autofs4 - drivers/rtc/ - various small tweaks to less used filesystems - ipc/ updates - kernel/watchdog.c changes * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (135 commits) mm: softdirty: enable write notifications on VMAs after VM_SOFTDIRTY cleared kernel/param: consolidate __{start,stop}___param[] in <linux/moduleparam.h> ia64: remove duplicate declarations of __per_cpu_start[] and __per_cpu_end[] frv: remove unused declarations of __start___ex_table and __stop___ex_table kvm: ensure hard lockup detection is disabled by default kernel/watchdog.c: control hard lockup detection default staging: rtl8192u: use %*pEn to escape buffer staging: rtl8192e: use %*pEn to escape buffer staging: wlan-ng: use %*pEhp to print SN lib80211: remove unused print_ssid() wireless: hostap: proc: print properly escaped SSID wireless: ipw2x00: print SSID via %*pE wireless: libertas: print esaped string via %*pE lib/vsprintf: add %*pE[achnops] format specifier lib / string_helpers: introduce string_escape_mem() lib / string_helpers: refactoring the test suite lib / string_helpers: move documentation to c-file include/linux: remove strict_strto* definitions arch/x86/mm/numa.c: fix boot failure when all nodes are hotpluggable fs: check bh blocknr earlier when searching lru ...
Diffstat (limited to 'fs/omfs/inode.c')
-rw-r--r--fs/omfs/inode.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c
index ba8819702c56..138321b0c6c2 100644
--- a/fs/omfs/inode.c
+++ b/fs/omfs/inode.c
@@ -306,9 +306,7 @@ static const struct super_operations omfs_sops = {
*/
static int omfs_get_imap(struct super_block *sb)
{
- int bitmap_size;
- int array_size;
- int count;
+ unsigned int bitmap_size, count, array_size;
struct omfs_sb_info *sbi = OMFS_SB(sb);
struct buffer_head *bh;
unsigned long **ptr;
@@ -473,6 +471,12 @@ static int omfs_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_sys_blocksize = be32_to_cpu(omfs_sb->s_sys_blocksize);
mutex_init(&sbi->s_bitmap_lock);
+ if (sbi->s_num_blocks > OMFS_MAX_BLOCKS) {
+ printk(KERN_ERR "omfs: sysblock number (%llx) is out of range\n",
+ (unsigned long long)sbi->s_num_blocks);
+ goto out_brelse_bh;
+ }
+
if (sbi->s_sys_blocksize > PAGE_SIZE) {
printk(KERN_ERR "omfs: sysblock size (%d) is out of range\n",
sbi->s_sys_blocksize);