summaryrefslogtreecommitdiff
path: root/net/ipv6/reassembly.c
diff options
context:
space:
mode:
authorEric Dumazet <edumazet@google.com>2025-06-30 12:19:33 +0000
committerJakub Kicinski <kuba@kernel.org>2025-07-02 14:32:30 -0700
commit93d1cff35adc522a5d21e722eee1071f3f7dc716 (patch)
treed5c5058d5d747325816d72d95e324c0486d5b336 /net/ipv6/reassembly.c
parent1caf27297215a5241f9bfc9c07336349d9034ee3 (diff)
ipv6: adopt skb_dst_dev() and skb_dst_dev_net[_rcu]() helpers
Use the new helpers as a step to deal with potential dst->dev races. v2: fix typo in ipv6_rthdr_rcv() (kernel test robot <lkp@intel.com>) Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Kuniyuki Iwashima <kuniyu@google.com> Link: https://patch.msgid.link/20250630121934.3399505-10-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/ipv6/reassembly.c')
-rw-r--r--net/ipv6/reassembly.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 7d4bcf3fda5b..25ec8001898d 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -104,11 +104,11 @@ fq_find(struct net *net, __be32 id, const struct ipv6hdr *hdr, int iif)
return container_of(q, struct frag_queue, q);
}
-static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
+static int ip6_frag_queue(struct net *net,
+ struct frag_queue *fq, struct sk_buff *skb,
struct frag_hdr *fhdr, int nhoff,
u32 *prob_offset, int *refs)
{
- struct net *net = dev_net(skb_dst(skb)->dev);
int offset, end, fragsize;
struct sk_buff *prev_tail;
struct net_device *dev;
@@ -324,10 +324,10 @@ out_fail:
static int ipv6_frag_rcv(struct sk_buff *skb)
{
+ const struct ipv6hdr *hdr = ipv6_hdr(skb);
+ struct net *net = skb_dst_dev_net(skb);
struct frag_hdr *fhdr;
struct frag_queue *fq;
- const struct ipv6hdr *hdr = ipv6_hdr(skb);
- struct net *net = dev_net(skb_dst(skb)->dev);
u8 nexthdr;
int iif;
@@ -384,7 +384,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
spin_lock(&fq->q.lock);
fq->iif = iif;
- ret = ip6_frag_queue(fq, skb, fhdr, IP6CB(skb)->nhoff,
+ ret = ip6_frag_queue(net, fq, skb, fhdr, IP6CB(skb)->nhoff,
&prob_offset, &refs);
spin_unlock(&fq->q.lock);