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isdn: use non-racy method for proc entries creation

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Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.

Add correct ->owner to proc_fops to fix reading/module unloading race.

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Karsten Keil <kkeil@suse.de>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Denis V. Lunev
2008-04-29 01:02:30 -07:00
committed by Linus Torvalds
parent a95609cb02
commit ac41cfd19b
5 changed files with 22 additions and 32 deletions
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8
drivers/isdn/hardware/eicon/divasproc.c
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@@ -125,15 +125,11 @@ static const struct file_operations divas_fops = {
int create_divas_proc(void)
{
divas_proc_entry = create_proc_entry(divas_proc_name,
S_IFREG | S_IRUGO,
proc_net_eicon);
proc_create(divas_proc_name, S_IFREG | S_IRUGO, proc_net_eicon,
&divas_fops);
if (!divas_proc_entry)
return (0);
divas_proc_entry->proc_fops = &divas_fops;
divas_proc_entry->owner = THIS_MODULE;
return (1);
}