summaryrefslogtreecommitdiff
path: root/net/ceph/osdmap.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2012-04-10 14:30:45 -0400
committerDavid S. Miller <davem@davemloft.net>2012-04-10 14:30:45 -0400
commit06eb4eafbdc0796d741d139a44f1253278da8611 (patch)
treefbdb44317130c371928154c9e6903e699fe2b995 /net/ceph/osdmap.c
parent32ed53b83ea5ec26a4dba90e18f5e0ff6c71eb48 (diff)
parentf68e556e23d1a4176b563bcb25d8baf2c5313f91 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'net/ceph/osdmap.c')
-rw-r--r--net/ceph/osdmap.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c
index fd863fe76934..29ad46ec9dcf 100644
--- a/net/ceph/osdmap.c
+++ b/net/ceph/osdmap.c
@@ -283,7 +283,8 @@ static struct crush_map *crush_decode(void *pbyval, void *end)
ceph_decode_32_safe(p, end, yes, bad);
#if BITS_PER_LONG == 32
err = -EINVAL;
- if (yes > ULONG_MAX / sizeof(struct crush_rule_step))
+ if (yes > (ULONG_MAX - sizeof(*r))
+ / sizeof(struct crush_rule_step))
goto bad;
#endif
r = c->rules[i] = kmalloc(sizeof(*r) +