linux-kernel - Re: Sleep during spinlock in TPM driver

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Date:	Mon, 23 Apr 2007 14:42:51 +0200
From:	Jiri Slaby <jirislaby@...il.com>
To:	pwarudkar@....com
CC:	Jiri Kosina <jikos@...os.cz>,
	Andrew Morton <akpm@...ux-foundation.org>, dsk6@...t.edu,
	linux-kernel@...r.kernel.org
Subject: Re: Sleep during spinlock in TPM driver

Parag Warudkar napsal(a):
> On Mon, 23 Apr 2007, Jiri Kosina wrote:
> 
>> On Sun, 22 Apr 2007, Parag Warudkar wrote:
>>
>>> @@ -1097,8 +1097,13 @@
>>>
>>>       /* Driver specific per-device data */
>>>       chip = kzalloc(sizeof(*chip), GFP_KERNEL);
>>> - if (chip == NULL)
>>> + devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL);
>>> + +   if (chip == NULL || devname == NULL) {
>>
>> Hi,
>>
>> this line looks bogus to me.
>>
> 
> Hi - Yep, thanks for catching. Really not sure how that extra + got in
> there - I diffed the exact same file this morning and it isn't there -
> new diff attached.
[...]
> @@ -1097,8 +1097,13 @@
> 
>      /* Driver specific per-device data */
>      chip = kzalloc(sizeof(*chip), GFP_KERNEL);
> -    if (chip == NULL)
> +    devname = kmalloc(DEVNAME_SIZE, GFP_KERNEL);
> + +    if (chip == NULL || devname == NULL) {

I see this here too, but there is no extra '+' here:
http://lkml.org/lkml/2007/4/22/172 and here
http://lkml.org/lkml/2007/4/23/125
not even in the source of this message, weird... (using thunderbird 2.0rc1)

regards,
-- 
http://www.fi.muni.cz/~xslaby/            Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8  22A0 32CC 55C3 39D4 7A7E
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