/* attaches to kprobe netif_receive_skb,
* looks for packets on loobpack device and prints them
*/
- char devname[IFNAMSIZ] = {};
+ char devname[IFNAMSIZ];
struct net_device *dev;
struct sk_buff *skb;
int len;
/* non-portable! works for the given kernel only */
skb = (struct sk_buff *) PT_REGS_PARM1(ctx);
-
dev = _(skb->dev);
-
len = _(skb->len);
bpf_probe_read(devname, sizeof(devname), dev->name);