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Upgrade to 4.4.50-rt62
[kvmfornfv.git]
/
kernel
/
net
/
sched
/
act_nat.c
diff --git
a/kernel/net/sched/act_nat.c
b/kernel/net/sched/act_nat.c
index
b7c4ead
..
27607b8
100644
(file)
--- a/
kernel/net/sched/act_nat.c
+++ b/
kernel/net/sched/act_nat.c
@@
-126,9
+126,7
@@
static int tcf_nat(struct sk_buff *skb, const struct tc_action *a,
addr = iph->daddr;
if (!((old_addr ^ addr) & mask)) {
addr = iph->daddr;
if (!((old_addr ^ addr) & mask)) {
- if (skb_cloned(skb) &&
- !skb_clone_writable(skb, sizeof(*iph) + noff) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+ if (skb_try_make_writable(skb, sizeof(*iph) + noff))
goto drop;
new_addr &= mask;
goto drop;
new_addr &= mask;
@@
-156,9
+154,7
@@
static int tcf_nat(struct sk_buff *skb, const struct tc_action *a,
struct tcphdr *tcph;
if (!pskb_may_pull(skb, ihl + sizeof(*tcph) + noff) ||
struct tcphdr *tcph;
if (!pskb_may_pull(skb, ihl + sizeof(*tcph) + noff) ||
- (skb_cloned(skb) &&
- !skb_clone_writable(skb, ihl + sizeof(*tcph) + noff) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+ skb_try_make_writable(skb, ihl + sizeof(*tcph) + noff))
goto drop;
tcph = (void *)(skb_network_header(skb) + ihl);
goto drop;
tcph = (void *)(skb_network_header(skb) + ihl);
@@
-171,9
+167,7
@@
static int tcf_nat(struct sk_buff *skb, const struct tc_action *a,
struct udphdr *udph;
if (!pskb_may_pull(skb, ihl + sizeof(*udph) + noff) ||
struct udphdr *udph;
if (!pskb_may_pull(skb, ihl + sizeof(*udph) + noff) ||
- (skb_cloned(skb) &&
- !skb_clone_writable(skb, ihl + sizeof(*udph) + noff) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC)))
+ skb_try_make_writable(skb, ihl + sizeof(*udph) + noff))
goto drop;
udph = (void *)(skb_network_header(skb) + ihl);
goto drop;
udph = (void *)(skb_network_header(skb) + ihl);
@@
-213,10
+207,8
@@
static int tcf_nat(struct sk_buff *skb, const struct tc_action *a,
if ((old_addr ^ addr) & mask)
break;
if ((old_addr ^ addr) & mask)
break;
- if (skb_cloned(skb) &&
- !skb_clone_writable(skb, ihl + sizeof(*icmph) +
- sizeof(*iph) + noff) &&
- pskb_expand_head(skb, 0, 0, GFP_ATOMIC))
+ if (skb_try_make_writable(skb, ihl + sizeof(*icmph) +
+ sizeof(*iph) + noff))
goto drop;
icmph = (void *)(skb_network_header(skb) + ihl);
goto drop;
icmph = (void *)(skb_network_header(skb) + ihl);