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-rw-r--r--net/core/datagram.c3
-rw-r--r--net/core/pktgen.c8
2 files changed, 6 insertions, 5 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c
index cb056f4..029b93e 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -450,6 +450,9 @@ int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
__wsum csum;
int chunk = skb->len - hlen;
+ if (!chunk)
+ return 0;
+
/* Skip filled elements.
* Pretty silly, look at memcpy_toiovec, though 8)
*/
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 7bae576..36fdea7 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -380,7 +380,6 @@ struct pktgen_thread {
/* Field for thread to receive "posted" events terminate, stop ifs etc. */
u32 control;
- int pid;
int cpu;
wait_queue_head_t queue;
@@ -3331,8 +3330,9 @@ static __inline__ void pktgen_xmit(struct pktgen_dev *pkt_dev)
}
if ((netif_queue_stopped(odev) ||
- netif_subqueue_stopped(odev, pkt_dev->skb->queue_mapping)) ||
- need_resched()) {
+ (pkt_dev->skb &&
+ netif_subqueue_stopped(odev, pkt_dev->skb->queue_mapping))) ||
+ need_resched()) {
idle_start = getCurUs();
if (!netif_running(odev)) {
@@ -3462,8 +3462,6 @@ static int pktgen_thread_worker(void *arg)
init_waitqueue_head(&t->queue);
- t->pid = current->pid;
-
pr_debug("pktgen: starting pktgen/%d: pid=%d\n", cpu, current->pid);
max_before_softirq = t->max_before_softirq;