Re: [PATCH] isdn divas: fix proc creation

From: Alexey Dobriyan
Date: Fri Jun 06 2008 - 02:22:12 EST


On Thu, Jun 05, 2008 at 12:25:06PM +0200, Armin Schindler wrote:
> On Sat, 31 May 2008, Alexey Dobriyan wrote:
>> 1. creating proc entry and not saving pointer to PDE and checking it
>> is not going to work.
>
> I don't know where you found this. I have look even in older versions, but
> the pointer divas_proc_entry is set by proc_create(). The patch to
> divasproc.c is wrong, it exists from the beginning of the driver.
> (2.6.25.4 doesn't contain the bug you describe).

Check mainline kernel, namely, 2.6.26-rc5.

>> --- a/drivers/isdn/hardware/eicon/divasproc.c
>> +++ b/drivers/isdn/hardware/eicon/divasproc.c
>> @@ -125,8 +125,8 @@ static const struct file_operations divas_fops = {
>>
>> int create_divas_proc(void)
>> {
>> - proc_create(divas_proc_name, S_IFREG | S_IRUGO, proc_net_eicon,
>> - &divas_fops);
>> + divas_proc_entry = proc_create(divas_proc_name, S_IFREG | S_IRUGO,
>> + proc_net_eicon, &divas_fops);
>> if (!divas_proc_entry)
>> return (0);

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