diff options
| author | Julian Anastasov <ja@ssi.bg> | 2013-03-22 11:46:54 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2013-04-02 00:23:58 +0200 |
| commit | ac69269a45e84c1772dcb9e77db976a932f4af22 (patch) | |
| tree | fbb3e410c21de0f0de8a8f33976f89afe97be7fe /net/netfilter/ipvs/ip_vs_core.c | |
| parent | ceec4c3816818459d90c92152e61371ff5b1d5a1 (diff) | |
ipvs: do not disable bh for long time
We used a global BH disable in LOCAL_OUT hook.
Add _bh suffix to all places that need it and remove
the disabling from LOCAL_OUT and sync code.
Functions like ip_defrag need protection from
BH, so add it. As for nf_nat_mangle_tcp_packet, it needs
RCU lock.
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Diffstat (limited to 'net/netfilter/ipvs/ip_vs_core.c')
| -rw-r--r-- | net/netfilter/ipvs/ip_vs_core.c | 37 |
1 files changed, 8 insertions, 29 deletions
diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c index 79df3c61d4d..f26fe3353a3 100644 --- a/net/netfilter/ipvs/ip_vs_core.c +++ b/net/netfilter/ipvs/ip_vs_core.c @@ -638,8 +638,11 @@ static inline enum ip_defrag_users ip_vs_defrag_user(unsigned int hooknum) static inline int ip_vs_gather_frags(struct sk_buff *skb, u_int32_t user) { - int err = ip_defrag(skb, user); + int err; + local_bh_disable(); + err = ip_defrag(skb, user); + local_bh_enable(); if (!err) ip_send_check(ip_hdr(skb)); @@ -1217,13 +1220,7 @@ ip_vs_local_reply4(unsigned int hooknum, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - unsigned int verdict; - - /* Disable BH in LOCAL_OUT until all places are fixed */ - local_bh_disable(); - verdict = ip_vs_out(hooknum, skb, AF_INET); - local_bh_enable(); - return verdict; + return ip_vs_out(hooknum, skb, AF_INET); } #ifdef CONFIG_IP_VS_IPV6 @@ -1250,13 +1247,7 @@ ip_vs_local_reply6(unsigned int hooknum, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - unsigned int verdict; - - /* Disable BH in LOCAL_OUT until all places are fixed */ - local_bh_disable(); - verdict = ip_vs_out(hooknum, skb, AF_INET6); - local_bh_enable(); - return verdict; + return ip_vs_out(hooknum, skb, AF_INET6); } #endif @@ -1714,13 +1705,7 @@ ip_vs_local_request4(unsigned int hooknum, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - unsigned int verdict; - - /* Disable BH in LOCAL_OUT until all places are fixed */ - local_bh_disable(); - verdict = ip_vs_in(hooknum, skb, AF_INET); - local_bh_enable(); - return verdict; + return ip_vs_in(hooknum, skb, AF_INET); } #ifdef CONFIG_IP_VS_IPV6 @@ -1779,13 +1764,7 @@ ip_vs_local_request6(unsigned int hooknum, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, int (*okfn)(struct sk_buff *)) { - unsigned int verdict; - - /* Disable BH in LOCAL_OUT until all places are fixed */ - local_bh_disable(); - verdict = ip_vs_in(hooknum, skb, AF_INET6); - local_bh_enable(); - return verdict; + return ip_vs_in(hooknum, skb, AF_INET6); } #endif |