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author | 2007-12-11 02:23:18 -0800 | |
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committer | 2008-01-28 14:57:10 -0800 | |
commit | 0a3e78ac2c555441f5bc00588070058533bc8d6b (patch) | |
tree | c5d406c1ea39ae256bc682e5d824682e0a6f6d56 /net/ipv6/ip6_flowlabel.c | |
parent | [IPV4]: Cleanup sysctl manipulations in devinet.c (diff) | |
download | linux-0a3e78ac2c555441f5bc00588070058533bc8d6b.tar.gz linux-0a3e78ac2c555441f5bc00588070058533bc8d6b.tar.bz2 linux-0a3e78ac2c555441f5bc00588070058533bc8d6b.zip |
[IPV6]: make flowlabel to return an error
This patch makes the flowlab subsystem to return an error code and makes
some cleanup with procfs ifdefs.
The af_inet6 will use the flowlabel init return code to check the initialization
was correct.
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_flowlabel.c')
-rw-r--r-- | net/ipv6/ip6_flowlabel.c | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index b12cc22e7745..d0babea89819 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -692,20 +692,36 @@ static const struct file_operations ip6fl_seq_fops = { .llseek = seq_lseek, .release = seq_release_private, }; -#endif +static int ip6_flowlabel_proc_init(struct net *net) +{ + if (!proc_net_fops_create(net, "ip6_flowlabel", S_IRUGO, &ip6fl_seq_fops)) + return -ENOMEM; + return 0; +} -void ip6_flowlabel_init(void) +static void ip6_flowlabel_proc_fini(struct net *net) { -#ifdef CONFIG_PROC_FS - proc_net_fops_create(&init_net, "ip6_flowlabel", S_IRUGO, &ip6fl_seq_fops); + proc_net_remove(net, "ip6_flowlabel"); +} +#else +static inline int ip6_flowlabel_proc_init(struct net *net) +{ + return 0; +} +static inline void ip6_flowlabel_proc_fini(struct net *net) +{ + return ; +} #endif + +int ip6_flowlabel_init(void) +{ + return ip6_flowlabel_proc_init(&init_net); } void ip6_flowlabel_cleanup(void) { del_timer(&ip6_fl_gc_timer); -#ifdef CONFIG_PROC_FS - proc_net_remove(&init_net, "ip6_flowlabel"); -#endif + ip6_flowlabel_proc_fini(&init_net); } |