From: Jeff Garzik <jeff@garzik.org>
To: Marin Mitov <mitov@issp.bas.bg>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH]Silencing warning: 'host' may be used uninitialized in this function
Date: Mon, 13 Apr 2009 04:11:30 -0400 [thread overview]
Message-ID: <49E2F3B2.3080701@garzik.org> (raw)
In-Reply-To: <200904100231.32307.mitov@issp.bas.bg>
Marin Mitov wrote:
> On Friday 10 April 2009 01:38:28 am Jeff Garzik wrote:
>> Marin Mitov wrote:
>>> Hi all,
>>>
>>> I do not know if that is worth the effort, but...
>>>
>>> Silencing: warning: 'host' may be used uninitialized in this function
>>> It is a false positive.
>>>
>>> The patch is against 2.6.30-rc1, but should apply to 2.6.29(.1) too.
>>>
>>> Signed-off-by: Marin Mitov mitov@issp.bas.bg
>>> ================================================
>>> --- a/drivers/ata/sata_via.c 2009-04-05 22:59:26.000000000 +0300
>>> +++ b/drivers/ata/sata_via.c 2009-04-06 00:07:25.000000000 +0300
>>> @@ -566,7 +566,7 @@
>>> static int printed_version;
>>> unsigned int i;
>>> int rc;
>>> - struct ata_host *host;
>>> + struct ata_host *host = host;
>>> int board_id = (int) ent->driver_data;
>>> const unsigned *bar_sizes;
>> we use the uninitialized_var() macro for false positives.
>>
>> Jeff
>>
>
> Well, changed and resubmitted.
>
> Marin Mitov
>
> Silencing: " warning: 'host' may be used uninitialized in this function"
>
> The patch is against 2.6.30-rc1, but should apply to 2.6.29(.1) too.
>
> Signed-off-by: Marin Mitov mitov@issp.bas.bg
> ================================================
> --- a/drivers/ata/sata_via.c 2009-04-05 22:59:26.000000000 +0300
> +++ b/drivers/ata/sata_via.c 2009-04-06 00:07:25.000000000 +0300
> @@ -566,7 +566,7 @@
> static int printed_version;
> unsigned int i;
> int rc;
> - struct ata_host *host;
> + struct ata_host *uninitialized_var(host);
> int board_id = (int) ent->driver_data;
> const unsigned *bar_sizes;
I did this a slightly different way... I went ahead and simply
initialized it.
Jeff
prev parent reply other threads:[~2009-04-13 8:11 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-04-09 22:33 [PATCH]Silencing warning: 'host' may be used uninitialized in this function Marin Mitov
2009-04-09 22:38 ` Jeff Garzik
2009-04-09 23:31 ` Marin Mitov
2009-04-13 8:11 ` Jeff Garzik [this message]
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