diff options
| -rw-r--r-- | include/linux/filter.h | 3 | ||||
| -rw-r--r-- | net/core/filter.c | 7 |
2 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h index 29a0e3d..151f5d7 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -123,7 +123,8 @@ struct sock_fprog { /* Required for SO_ATTACH_FILTER. */ #define SKF_AD_NLATTR_NEST 16 #define SKF_AD_MARK 20 #define SKF_AD_QUEUE 24 -#define SKF_AD_MAX 28 +#define SKF_AD_HATYPE 28 +#define SKF_AD_MAX 32 #define SKF_NET_OFF (-0x100000) #define SKF_LL_OFF (-0x200000) diff --git a/net/core/filter.c b/net/core/filter.c index ff943be..da69fb7 100644 --- a/net/core/filter.c +++ b/net/core/filter.c @@ -302,6 +302,8 @@ load_b: A = skb->pkt_type; continue; case SKF_AD_IFINDEX: + if (!skb->dev) + return 0; A = skb->dev->ifindex; continue; case SKF_AD_MARK: @@ -310,6 +312,11 @@ load_b: case SKF_AD_QUEUE: A = skb->queue_mapping; continue; + case SKF_AD_HATYPE: + if (!skb->dev) + return 0; + A = skb->dev->type; + continue; case SKF_AD_NLATTR: { struct nlattr *nla; |
