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| author |   David Ahern <dsahern@gmail.com> | 2018-10-04 20:07:52 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2018-10-04 21:54:10 -0700 |
| commit | cc5f0eb2164f9aa11fe631f8d905192e0233e262 (patch) | |
| tree | c6544db0c15445adcacaf84bec9a12d11020c584 /include/net/ip.h | |
| parent | net: common metrics init helper for FIB entries (diff) | |
| download | linux-dev-cc5f0eb2164f9aa11fe631f8d905192e0233e262.tar.xz linux-dev-cc5f0eb2164f9aa11fe631f8d905192e0233e262.zip | |
net: Move free of fib_metrics to helper
Move the refcounting and potential free of dst metrics associated
with a fib entry to a helper and use it in both ipv4 and ipv6.
Signed-off-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to '')
| -rw-r--r-- | include/net/ip.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/net/ip.h b/include/net/ip.h index 8cbe7e8c9e1e..8fdd58ce580d 100644 --- a/include/net/ip.h +++ b/include/net/ip.h @@ -422,6 +422,12 @@ static inline unsigned int ip_skb_dst_mtu(struct sock *sk, struct dst_metrics *ip_fib_metrics_init(struct net *net, struct nlattr *fc_mx, int fc_mx_len); +static inline void ip_fib_metrics_put(struct dst_metrics *fib_metrics) +{ + if (fib_metrics != &dst_default_metrics && + refcount_dec_and_test(&fib_metrics->refcnt)) + kfree(fib_metrics); +} u32 ip_idents_reserve(u32 hash, int segs); void __ip_select_ident(struct net *net, struct iphdr *iph, int segs); |