diff options
Diffstat (limited to 'net/ceph/osdmap.c')
| -rw-r--r-- | net/ceph/osdmap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ceph/osdmap.c b/net/ceph/osdmap.c index fd863fe7693..29ad46ec9dc 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) + |