Merge ../scsi-rc-fixes-2.6
[powerpc.git] / net / ipv6 / netfilter / ip6_queue.c
index c01c126..9fec832 100644 (file)
@@ -56,15 +56,15 @@ struct ipq_queue_entry {
 
 typedef int (*ipq_cmpfn)(struct ipq_queue_entry *, unsigned long);
 
-static unsigned char copy_mode = IPQ_COPY_NONE;
-static unsigned int queue_maxlen = IPQ_QMAX_DEFAULT;
+static unsigned char copy_mode __read_mostly = IPQ_COPY_NONE;
+static unsigned int queue_maxlen __read_mostly = IPQ_QMAX_DEFAULT;
 static DEFINE_RWLOCK(queue_lock);
-static int peer_pid;
-static unsigned int copy_range;
+static int peer_pid __read_mostly;
+static unsigned int copy_range __read_mostly;
 static unsigned int queue_total;
 static unsigned int queue_dropped = 0;
 static unsigned int queue_user_dropped = 0;
-static struct sock *ipqnl;
+static struct sock *ipqnl __read_mostly;
 static LIST_HEAD(queue_list);
 static DEFINE_MUTEX(ipqnl_mutex);
 
@@ -349,9 +349,10 @@ ipq_mangle_ipv6(ipq_verdict_msg_t *v, struct ipq_queue_entry *e)
        if (v->data_len < sizeof(*user_iph))
                return 0;
        diff = v->data_len - e->skb->len;
-       if (diff < 0)
-               skb_trim(e->skb, v->data_len);
-       else if (diff > 0) {
+       if (diff < 0) {
+               if (pskb_trim(e->skb, v->data_len))
+                       return -ENOMEM;
+       } else if (diff > 0) {
                if (v->data_len > 0xFFFF)
                        return -EINVAL;
                if (diff > skb_tailroom(e->skb)) {