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authorPaolo Abeni2024-01-09 12:42:00 +0100
committerPaolo Abeni2024-01-09 16:23:26 +0100
commita7fe0881d9b78d402bbd9067dd4503a57c57a1d9 (patch)
treeb2e19866605ca697ad0a6efa160c8c20cf95528f /net/ipv6
parent9b0f510971470b495a707a4475d5a065c6e4d1f6 (diff)
parentac631873c9e7a50d2a8de457cfc4b9f86666403e (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Merge in late fixes to prepare for the 6.8 net-next PR No conflicts. Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/ip6_tunnel.c26
1 files changed, 13 insertions, 13 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 5e80e517f071..46c19bd48990 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -399,7 +399,7 @@ __u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw)
const struct ipv6hdr *ipv6h = (const struct ipv6hdr *)raw;
unsigned int nhoff = raw - skb->data;
unsigned int off = nhoff + sizeof(*ipv6h);
- u8 next, nexthdr = ipv6h->nexthdr;
+ u8 nexthdr = ipv6h->nexthdr;
while (ipv6_ext_hdr(nexthdr) && nexthdr != NEXTHDR_NONE) {
struct ipv6_opt_hdr *hdr;
@@ -410,25 +410,25 @@ __u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw)
hdr = (struct ipv6_opt_hdr *)(skb->data + off);
if (nexthdr == NEXTHDR_FRAGMENT) {
- struct frag_hdr *frag_hdr = (struct frag_hdr *) hdr;
- if (frag_hdr->frag_off)
- break;
optlen = 8;
} else if (nexthdr == NEXTHDR_AUTH) {
optlen = ipv6_authlen(hdr);
} else {
optlen = ipv6_optlen(hdr);
}
- /* cache hdr->nexthdr, since pskb_may_pull() might
- * invalidate hdr
- */
- next = hdr->nexthdr;
- if (nexthdr == NEXTHDR_DEST) {
- u16 i = 2;
- /* Remember : hdr is no longer valid at this point. */
- if (!pskb_may_pull(skb, off + optlen))
+ if (!pskb_may_pull(skb, off + optlen))
+ break;
+
+ hdr = (struct ipv6_opt_hdr *)(skb->data + off);
+ if (nexthdr == NEXTHDR_FRAGMENT) {
+ struct frag_hdr *frag_hdr = (struct frag_hdr *)hdr;
+
+ if (frag_hdr->frag_off)
break;
+ }
+ if (nexthdr == NEXTHDR_DEST) {
+ u16 i = 2;
while (1) {
struct ipv6_tlv_tnl_enc_lim *tel;
@@ -449,7 +449,7 @@ __u16 ip6_tnl_parse_tlv_enc_lim(struct sk_buff *skb, __u8 *raw)
i++;
}
}
- nexthdr = next;
+ nexthdr = hdr->nexthdr;
off += optlen;
}
return 0;