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| author | Wei Wang <weiwan@google.com> | 2017-06-17 10:42:42 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-06-17 22:54:01 -0400 |
| commit | a4c2fd7f78915a0d7c5275e7612e7793157a01f2 (patch) | |
| tree | 67797baa578f3492c80ef57a9eaf0d31040833f5 /net/ipv6/ip6_fib.c | |
| parent | b2a9c0ed75a32e788d034a58a18f2fc46396e412 (diff) | |
| download | linux-stable-a4c2fd7f78915a0d7c5275e7612e7793157a01f2.tar.gz linux-stable-a4c2fd7f78915a0d7c5275e7612e7793157a01f2.tar.bz2 linux-stable-a4c2fd7f78915a0d7c5275e7612e7793157a01f2.zip | |
net: remove DST_NOCACHE flag
DST_NOCACHE flag check has been removed from dst_release() and
dst_hold_safe() in a previous patch because all the dst are now ref
counted properly and can be released based on refcnt only.
Looking at the rest of the DST_NOCACHE use, all of them can now be
removed or replaced with other checks.
So this patch gets rid of all the DST_NOCACHE usage and remove this flag
completely.
Signed-off-by: Wei Wang <weiwan@google.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_fib.c')
| -rw-r--r-- | net/ipv6/ip6_fib.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index c67ec79bf0da..4f3e4657f2d6 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -975,8 +975,7 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, int replace_required = 0; int sernum = fib6_new_sernum(info->nl_net); - if (WARN_ON_ONCE((rt->dst.flags & DST_NOCACHE) && - !atomic_read(&rt->dst.__refcnt))) + if (WARN_ON_ONCE(!atomic_read(&rt->dst.__refcnt))) return -EINVAL; if (info->nlh) { @@ -1073,7 +1072,6 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, fib6_start_gc(info->nl_net, rt); if (!(rt->rt6i_flags & RTF_CACHE)) fib6_prune_clones(info->nl_net, pn); - rt->dst.flags &= ~DST_NOCACHE; } out: |