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Diffstat (limited to 'net/sched/sch_netem.c')
-rw-r--r--net/sched/sch_netem.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index 5a4a4d0ae50..45939bafbdf 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -13,7 +13,6 @@
* Catalin(ux aka Dino) BOIE <catab at umbrella dot ro>
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/bitops.h>
#include <linux/types.h>
@@ -149,7 +148,8 @@ static long tabledist(unsigned long mu, long sigma,
static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
{
struct netem_sched_data *q = qdisc_priv(sch);
- struct netem_skb_cb *cb = (struct netem_skb_cb *)skb->cb;
+ /* We don't fill cb now as skb_unshare() may invalidate it */
+ struct netem_skb_cb *cb;
struct sk_buff *skb2;
int ret;
int count = 1;
@@ -192,8 +192,8 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
*/
if (q->corrupt && q->corrupt >= get_crandom(&q->corrupt_cor)) {
if (!(skb = skb_unshare(skb, GFP_ATOMIC))
- || (skb->ip_summed == CHECKSUM_HW
- && skb_checksum_help(skb, 0))) {
+ || (skb->ip_summed == CHECKSUM_PARTIAL
+ && skb_checksum_help(skb))) {
sch->qstats.drops++;
return NET_XMIT_DROP;
}
@@ -201,6 +201,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
skb->data[net_random() % skb_headlen(skb)] ^= 1<<(net_random() % 8);
}
+ cb = (struct netem_skb_cb *)skb->cb;
if (q->gap == 0 /* not doing reordering */
|| q->counter < q->gap /* inside last reordering gap */
|| q->reorder < get_crandom(&q->reorder_cor)) {