diff options
| author | Daniel Lezcano | 2007-12-11 11:24:29 +0100 |
|---|---|---|
| committer | David S. Miller | 2008-01-28 23:57:11 +0100 |
| commit | 853cbbaaa4ccdf221be5ab6afe967aa9998546b7 (patch) | |
| tree | 6b6ff0b340fcff4054c919092fbbadce82dff36c | |
| parent | [IPV6]: make extended headers to return an error at initialization (diff) | |
| download | kernel-qcow2-linux-853cbbaaa4ccdf221be5ab6afe967aa9998546b7.tar.gz kernel-qcow2-linux-853cbbaaa4ccdf221be5ab6afe967aa9998546b7.tar.xz kernel-qcow2-linux-853cbbaaa4ccdf221be5ab6afe967aa9998546b7.zip | |
[IPV6]: make frag to return an error at initialization
This patch makes the frag_init to return an error code, so the af_inet6
module can handle the error.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/transp_v6.h | 3 | ||||
| -rw-r--r-- | net/ipv6/af_inet6.c | 8 | ||||
| -rw-r--r-- | net/ipv6/reassembly.c | 16 |
3 files changed, 21 insertions, 6 deletions
diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h index 610b1bb775c9..aa9a4a6b99df 100644 --- a/include/net/transp_v6.h +++ b/include/net/transp_v6.h @@ -19,7 +19,8 @@ struct flowi; /* extention headers */ extern int ipv6_exthdrs_init(void); extern void ipv6_exthdrs_exit(void); -extern void ipv6_frag_init(void); +extern int ipv6_frag_init(void); +extern void ipv6_frag_exit(void); /* transport protocols */ extern void rawv6_init(void); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 442c298c1d7c..a75c4bc9281a 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -863,7 +863,9 @@ static int __init inet6_init(void) if (err) goto ipv6_exthdrs_fail; - ipv6_frag_init(); + err = ipv6_frag_init(); + if (err) + goto ipv6_frag_fail; /* Init v6 transport protocols. */ udpv6_init(); @@ -875,6 +877,8 @@ static int __init inet6_init(void) out: return err; +ipv6_frag_fail: + ipv6_exthdrs_exit(); ipv6_exthdrs_fail: addrconf_cleanup(); addrconf_fail: @@ -934,7 +938,7 @@ static void __exit inet6_exit(void) /* Cleanup code parts. */ ipv6_packet_cleanup(); - + ipv6_frag_exit(); ipv6_exthdrs_exit(); addrconf_cleanup(); ip6_flowlabel_cleanup(); diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c index 76c88a93b9b5..bf4173daecbb 100644 --- a/net/ipv6/reassembly.c +++ b/net/ipv6/reassembly.c @@ -632,11 +632,13 @@ static struct inet6_protocol frag_protocol = .flags = INET6_PROTO_NOPOLICY, }; -void __init ipv6_frag_init(void) +int __init ipv6_frag_init(void) { - if (inet6_add_protocol(&frag_protocol, IPPROTO_FRAGMENT) < 0) - printk(KERN_ERR "ipv6_frag_init: Could not register protocol\n"); + int ret; + ret = inet6_add_protocol(&frag_protocol, IPPROTO_FRAGMENT); + if (ret) + goto out; ip6_frags.ctl = &ip6_frags_ctl; ip6_frags.hashfn = ip6_hashfn; ip6_frags.constructor = ip6_frag_init; @@ -646,4 +648,12 @@ void __init ipv6_frag_init(void) ip6_frags.match = ip6_frag_match; ip6_frags.frag_expire = ip6_frag_expire; inet_frags_init(&ip6_frags); +out: + return ret; +} + +void ipv6_frag_exit(void) +{ + inet_frags_fini(&ip6_frags); + inet6_del_protocol(&frag_protocol, IPPROTO_FRAGMENT); } |