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| author |  Steffen Klassert <steffen.klassert@secunet.com>
| 2017-02-15 09:39:24 +0100 |
|---|---|---|
| committer | Steffen Klassert <steffen.klassert@secunet.com>
| 2017-02-15 09:39:24 +0100 |
| commit | b0fcee825c0ad05057a97d1f4685e1b9e9d00c53 (patch) | |
| tree | cb431638b0972b632f8419c05afa682cd552c4ca /net/ipv6 | |
| parent | xfrm: policy: make policy backend const (diff) | |
| download | linux-b0fcee825c0ad05057a97d1f4685e1b9e9d00c53.tar.gz linux-b0fcee825c0ad05057a97d1f4685e1b9e9d00c53.tar.bz2 linux-b0fcee825c0ad05057a97d1f4685e1b9e9d00c53.zip | |
xfrm: Add a secpath_set helper.
Add a new helper to set the secpath to the skb.
This avoids code duplication, as this is used
in multiple places.
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/xfrm6_input.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/net/ipv6/xfrm6_input.c b/net/ipv6/xfrm6_input.c index b5789562aded..662fb2c3e765 100644 --- a/net/ipv6/xfrm6_input.c +++ b/net/ipv6/xfrm6_input.c @@ -69,18 +69,9 @@ int xfrm6_input_addr(struct sk_buff *skb, xfrm_address_t *daddr, struct xfrm_state *x = NULL; int i = 0; - /* Allocate new secpath or COW existing one. */ - if (!skb->sp || atomic_read(&skb->sp->refcnt) != 1) { - struct sec_path *sp; - - sp = secpath_dup(skb->sp); - if (!sp) { - XFRM_INC_STATS(net, LINUX_MIB_XFRMINERROR); - goto drop; - } - if (skb->sp) - secpath_put(skb->sp); - skb->sp = sp; + if (secpath_set(skb)) { + XFRM_INC_STATS(net, LINUX_MIB_XFRMINERROR); + goto drop; } if (1 + skb->sp->len == XFRM_MAX_DEPTH) { |