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inet: frags: remove inet_frag_maybe_warn_overflow()

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This function is obsolete, after rhashtable addition to inet defrag.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2018-03-31 12:58:52 -07:00 committed by David S. Miller
parent 399d1404be
commit 2d44ed22e6
6 changed files with 8 additions and 25 deletions
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2
include/net/inet_frag.h
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@ -110,8 +110,6 @@ void inet_frags_exit_net(struct netns_frags *nf);
void inet_frag_kill(struct inet_frag_queue *q); void inet_frag_kill(struct inet_frag_queue *q);
void inet_frag_destroy(struct inet_frag_queue *q); void inet_frag_destroy(struct inet_frag_queue *q);
struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key); struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key);
void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
const char *prefix);
static inline void inet_frag_put(struct inet_frag_queue *q) static inline void inet_frag_put(struct inet_frag_queue *q)
{ {

5
net/ieee802154/6lowpan/reassembly.c
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@ -84,10 +84,9 @@ fq_find(struct net *net, const struct lowpan_802154_cb *cb,
struct inet_frag_queue *q; struct inet_frag_queue *q;
q = inet_frag_find(&ieee802154_lowpan->frags, &key); q = inet_frag_find(&ieee802154_lowpan->frags, &key);
if (IS_ERR_OR_NULL(q)) { if (!q)
inet_frag_maybe_warn_overflow(q, pr_fmt());
return NULL; return NULL;
}
return container_of(q, struct lowpan_frag_queue, q); return container_of(q, struct lowpan_frag_queue, q);
} }

11
net/ipv4/inet_fragment.c
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@ -218,14 +218,3 @@ struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key)
return inet_frag_create(nf, key); return inet_frag_create(nf, key);
} }
EXPORT_SYMBOL(inet_frag_find); EXPORT_SYMBOL(inet_frag_find);
void inet_frag_maybe_warn_overflow(struct inet_frag_queue *q,
const char *prefix)
{
static const char msg[] = "inet_frag_find: Fragment hash bucket"
" list length grew over limit. Dropping fragment.\n";
if (PTR_ERR(q) == -ENOBUFS)
net_dbg_ratelimited("%s%s", prefix, msg);
}
EXPORT_SYMBOL(inet_frag_maybe_warn_overflow);

5
net/ipv4/ip_fragment.c
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@ -221,10 +221,9 @@ static struct ipq *ip_find(struct net *net, struct iphdr *iph,
struct inet_frag_queue *q; struct inet_frag_queue *q;
q = inet_frag_find(&net->ipv4.frags, &key); q = inet_frag_find(&net->ipv4.frags, &key);
if (IS_ERR_OR_NULL(q)) { if (!q)
inet_frag_maybe_warn_overflow(q, pr_fmt());
return NULL; return NULL;
}
return container_of(q, struct ipq, q); return container_of(q, struct ipq, q);
} }

5
net/ipv6/netfilter/nf_conntrack_reasm.c
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@ -178,10 +178,9 @@ static struct frag_queue *fq_find(struct net *net, __be32 id, u32 user,
struct inet_frag_queue *q; struct inet_frag_queue *q;
q = inet_frag_find(&net->nf_frag.frags, &key); q = inet_frag_find(&net->nf_frag.frags, &key);
if (IS_ERR_OR_NULL(q)) { if (!q)
inet_frag_maybe_warn_overflow(q, pr_fmt());
return NULL; return NULL;
}
return container_of(q, struct frag_queue, q); return container_of(q, struct frag_queue, q);
} }

5
net/ipv6/reassembly.c
View File

@ -155,10 +155,9 @@ fq_find(struct net *net, __be32 id, const struct ipv6hdr *hdr, int iif)
key.iif = 0; key.iif = 0;
q = inet_frag_find(&net->ipv6.frags, &key); q = inet_frag_find(&net->ipv6.frags, &key);
if (IS_ERR_OR_NULL(q)) { if (!q)
inet_frag_maybe_warn_overflow(q, pr_fmt());
return NULL; return NULL;
}
return container_of(q, struct frag_queue, q); return container_of(q, struct frag_queue, q);
} }