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From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
To: Nicholas Krause <xerofoify@gmail.com>, linux-kernel@vger.kernel.org
Cc: linux-usb@vger.kernel.org
Subject: Re: [PATCH] scatterlist.h: Change CONFIG_DEBUG_SG for ifdef statement in sg_set_bf
Date: Sun, 03 Aug 2014 16:28:31 +0400	[thread overview]
Message-ID: <53DE2AEF.6080904@cogentembedded.com> (raw)
In-Reply-To: <1407034573-14358-1-git-send-email-xerofoify@gmail.com>

Hello.

On 03-08-2014 6:56, Nicholas Krause wrote:

> This changes the ifdef statement  in sg_set_bg to !CONFIG_DEBUG_SG in order
> to avoid a bug with xhci dequence/enquence functions.

    dequeue/enqueue?

> Signed-off-by: Nicholas Krause <xerofoify@gmail.com>
> ---
>   include/linux/scatterlist.h | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)

> diff --git a/include/linux/scatterlist.h b/include/linux/scatterlist.h
> index adae88f..62de7b3 100644
> --- a/include/linux/scatterlist.h
> +++ b/include/linux/scatterlist.h
> @@ -111,7 +111,7 @@ static inline struct page *sg_page(struct scatterlist *sg)
>   static inline void sg_set_buf(struct scatterlist *sg, const void *buf,
>   			      unsigned int buflen)
>   {
> -#ifdef CONFIG_DEBUG_SG
> +#ifdef !CONFIG_DEBUG_SG

    Didn't you mean #ifndef instead? I guess you didn't even try to build-test 
this.

>   	BUG_ON(!virt_addr_valid(buf));
>   #endif
>   	sg_set_page(sg, virt_to_page(buf), buflen, offset_in_page(buf));

WBR, Sergei


  parent reply	other threads:[~2014-08-03 12:28 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-03  2:56 [PATCH] scatterlist.h: Change CONFIG_DEBUG_SG for ifdef statement in sg_set_bf Nicholas Krause
2014-08-03  3:59 ` Mateusz Guzik
2014-08-03  4:31   ` Nick Krause
2014-08-03  5:02     ` Mateusz Guzik
2014-08-03  5:18       ` Nick Krause
2014-08-03  5:27         ` Nick Krause
2014-08-03 11:48           ` Mateusz Guzik
2014-08-04 10:04         ` Hugo Mills
2014-08-03 12:28 ` Sergei Shtylyov [this message]
2014-08-03 12:51   ` New follower Stefano Martinallo
2014-08-03 17:30   ` [PATCH] scatterlist.h: Change CONFIG_DEBUG_SG for ifdef statement in sg_set_bf Nick Krause
2014-08-04 10:07     ` Hugo Mills

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