diff options
| -rw-r--r-- | net/802/garp.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/802/garp.c b/net/802/garp.c index c7a39f298ad6..56b934ec1aae 100644 --- a/net/802/garp.c +++ b/net/802/garp.c @@ -452,6 +452,7 @@ static int garp_pdu_parse_attr(struct garp_applicant *app, struct sk_buff *skb, if (!pskb_may_pull(skb, ga->len)) return -1; + ga = (struct garp_attr_hdr *)skb->data; skb_pull(skb, ga->len); dlen = ga->len - sizeof(*ga); @@ -492,6 +493,7 @@ static int garp_pdu_parse_attr(struct garp_applicant *app, struct sk_buff *skb, static int garp_pdu_parse_msg(struct garp_applicant *app, struct sk_buff *skb) { const struct garp_msg_hdr *gm; + u8 attrtype; if (!pskb_may_pull(skb, sizeof(*gm))) return -1; @@ -499,9 +501,10 @@ static int garp_pdu_parse_msg(struct garp_applicant *app, struct sk_buff *skb) if (gm->attrtype == 0) return -1; skb_pull(skb, sizeof(*gm)); + attrtype = gm->attrtype; while (skb->len > 0) { - if (garp_pdu_parse_attr(app, skb, gm->attrtype) < 0) + if (garp_pdu_parse_attr(app, skb, attrtype) < 0) return -1; if (garp_pdu_parse_end_mark(skb) < 0) break; |