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pktgen: refactor pg_init() code

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This also shrinks the object size a little.

   text	   data	    bss	    dec	    hex	filename
  28834	    186	      8	  29028	   7164	net/core/pktgen.o
  28816	    186	      8	  29010	   7152	net/core/pktgen.o.AFTER

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>
Cc: "David Miller" <davem@davemloft.net>,
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
WANG Cong 2011-05-22 00:52:08 +00:00 committed by David S. Miller
parent 68d5ac2ed6
commit ce14f8946a
1 changed files with 12 additions and 7 deletions
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19
net/core/pktgen.c
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@ -3707,6 +3707,7 @@ static int __init pg_init(void)
{
int cpu;
struct proc_dir_entry *pe;
int ret = 0;
pr_info("%s", version);
@ -3717,11 +3718,10 @@ static int __init pg_init(void)
pe = proc_create(PGCTRL, 0600, pg_proc_dir, &pktgen_fops);
if (pe == NULL) {
pr_err("ERROR: cannot create %s procfs entry\n", PGCTRL);
proc_net_remove(&init_net, PG_PROC_DIR);
return -EINVAL;
ret = -EINVAL;
goto remove_dir;
}
/* Register us to receive netdevice events */
register_netdevice_notifier(&pktgen_notifier_block);
for_each_online_cpu(cpu) {
@ -3735,13 +3735,18 @@ static int __init pg_init(void)
if (list_empty(&pktgen_threads)) {
pr_err("ERROR: Initialization failed for all threads\n");
unregister_netdevice_notifier(&pktgen_notifier_block);
remove_proc_entry(PGCTRL, pg_proc_dir);
proc_net_remove(&init_net, PG_PROC_DIR);
return -ENODEV;
ret = -ENODEV;
goto unregister;
}
return 0;
unregister:
unregister_netdevice_notifier(&pktgen_notifier_block);
remove_proc_entry(PGCTRL, pg_proc_dir);
remove_dir:
proc_net_remove(&init_net, PG_PROC_DIR);
return ret;
}
static void __exit pg_cleanup(void)