netfilter: xt_quota: fix wrong return value (error case)

Success was indicated on a memory allocation failure, thereby causing
a crash due to a later NULL deref.
(Affects v2.6.30-rc1 up to here.)

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/net/netfilter/xt_quota.c b/net/netfilter/xt_quota.c
index 98fc190e8f0eed8683e9836b6be1567ecea74382..390b7d09fe512f2957769ace3b8a579b64f64086 100644 (file)
--- a/net/netfilter/xt_quota.c
+++ b/net/netfilter/xt_quota.c
@@ -52,7 +52,7 @@ static bool quota_mt_check(const struct xt_mtchk_param *par)
 
        q->master = kmalloc(sizeof(*q->master), GFP_KERNEL);
        if (q->master == NULL)
-               return -ENOMEM;
+               return false;
 
        q->master->quota = q->quota;
        return true;