diff options
| author | Wang Chen <wangchen@cn.fujitsu.com> | 2008-03-23 21:45:36 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-03-23 21:45:36 -0700 |
| commit | dbee0d3f4603b9d0e56234a0743321fe4dad31ca (patch) | |
| tree | d13b829d46ae603b8e7772ecae72e9be1fdfb7af /net/atm/clip.c | |
| parent | da990a2402aeaee84837f29054c4628eb02f7493 (diff) | |
[ATM]: When proc_create() fails, do some error handling work and return -ENOMEM.
Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/atm/clip.c')
| -rw-r--r-- | net/atm/clip.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/net/atm/clip.c b/net/atm/clip.c index d30167c0b48..2ab1e36098f 100644 --- a/net/atm/clip.c +++ b/net/atm/clip.c @@ -947,6 +947,8 @@ static const struct file_operations arp_seq_fops = { }; #endif +static void atm_clip_exit_noproc(void); + static int __init atm_clip_init(void) { neigh_table_init_no_netlink(&clip_tbl); @@ -963,18 +965,22 @@ static int __init atm_clip_init(void) struct proc_dir_entry *p; p = proc_create("arp", S_IRUGO, atm_proc_root, &arp_seq_fops); + if (!p) { + printk(KERN_ERR "Unable to initialize " + "/proc/net/atm/arp\n"); + atm_clip_exit_noproc(); + return -ENOMEM; + } } #endif return 0; } -static void __exit atm_clip_exit(void) +static void atm_clip_exit_noproc(void) { struct net_device *dev, *next; - remove_proc_entry("arp", atm_proc_root); - unregister_inetaddr_notifier(&clip_inet_notifier); unregister_netdevice_notifier(&clip_dev_notifier); @@ -1005,6 +1011,13 @@ static void __exit atm_clip_exit(void) clip_tbl_hook = NULL; } +static void __exit atm_clip_exit(void) +{ + remove_proc_entry("arp", atm_proc_root); + + atm_clip_exit_noproc(); +} + module_init(atm_clip_init); module_exit(atm_clip_exit); MODULE_AUTHOR("Werner Almesberger"); |