static DEFINE_SPINLOCK(quota_lock);
-static int
+static bool
match(const struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
const struct xt_match *match, const void *matchinfo,
- int offset, unsigned int protoff, int *hotdrop)
+ int offset, unsigned int protoff, bool *hotdrop)
{
- struct xt_quota_info *q = ((struct xt_quota_info *)matchinfo)->master;
- int ret = q->flags & XT_QUOTA_INVERT ? 1 : 0;
+ struct xt_quota_info *q =
+ ((const struct xt_quota_info *)matchinfo)->master;
+ bool ret = q->flags & XT_QUOTA_INVERT;
spin_lock_bh("a_lock);
if (q->quota >= skb->len) {
q->quota -= skb->len;
- ret ^= 1;
+ ret = !ret;
} else {
- /* we do not allow even small packets from now on */
- q->quota = 0;
+ /* we do not allow even small packets from now on */
+ q->quota = 0;
}
spin_unlock_bh("a_lock);
return ret;
}
-static int
+static bool
checkentry(const char *tablename, const void *entry,
const struct xt_match *match, void *matchinfo,
unsigned int hook_mask)
{
- struct xt_quota_info *q = (struct xt_quota_info *)matchinfo;
+ struct xt_quota_info *q = matchinfo;
if (q->flags & ~XT_QUOTA_MASK)
- return 0;
+ return false;
/* For SMP, we only want to use one set of counters. */
q->master = q;
- return 1;
+ return true;
}
-static struct xt_match xt_quota_match[] = {
+static struct xt_match xt_quota_match[] __read_mostly = {
{
.name = "quota",
.family = AF_INET,