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From: Jeff Garzik <jeff@garzik.org>
To: Fang Wenqi <anton.fang@gmail.com>
Cc: jgarzik@redhat.com, linux-ide@vger.kernel.org, antonf@turbolinux.com.cn
Subject: Re: [PATCH] drivers/ata/libata-eh.c: fix unused variable warning
Date: Thu, 22 Apr 2010 21:54:55 -0400	[thread overview]
Message-ID: <4BD0FDEF.1070504@garzik.org> (raw)
In-Reply-To: <1271858846-1706-1-git-send-email-antonf@turbolinux.com.cn>

On 04/21/2010 10:07 AM, Fang Wenqi wrote:
>    CC      drivers/ata/libata-eh.o
> drivers/ata/libata-eh.c: In function ‘ata_eh_analyze_ncq_error’:
> drivers/ata/libata-eh.c:1642: warning: ‘tf.flags’ may be used uninitialized in this function
>
> Signed-off-by: Fang Wenqi<antonf@turbolinux.com.cn>
> ---
>   drivers/ata/libata-eh.c |    2 +-
>   1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
> index 9f6cfac..125ec25 100644
> --- a/drivers/ata/libata-eh.c
> +++ b/drivers/ata/libata-eh.c
> @@ -1601,7 +1601,7 @@ void ata_eh_analyze_ncq_error(struct ata_link *link)
>   	struct ata_eh_context *ehc =&link->eh_context;
>   	struct ata_device *dev = link->device;
>   	struct ata_queued_cmd *qc;
> -	struct ata_taskfile tf;
> +	struct ata_taskfile uninitialized_var(tf);
>   	int tag, rc;

NAK - the warning reflects an actual bug.



      parent reply	other threads:[~2010-04-23  1:55 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-04-21 14:07 [PATCH] drivers/ata/libata-eh.c: fix unused variable warning Fang Wenqi
2010-04-21 14:24 ` Alan Cox
2010-04-21 14:57   ` Fang Wenqi
2010-04-22  1:23     ` Fang Wenqi
2010-04-23  6:30       ` Tejun Heo
2010-04-23  6:43         ` Jeff Garzik
2010-04-23  7:01           ` Tejun Heo
2010-04-23 13:52             ` Jeff Garzik
2010-04-23 14:02               ` Tejun Heo
2010-04-23 14:07               ` Sergei Shtylyov
2010-04-23 14:18                 ` Jeff Garzik
2010-04-23  6:48         ` Fang Wenqi
2010-04-23  1:54 ` Jeff Garzik [this message]

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