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Message-id: <4B4D4689.4060005@sun.com>
Date:	Tue, 12 Jan 2010 20:05:29 -0800
From:	Henry Zhao <Henry.Zhao@....COM>
To:	Tiago Vignatti <tiago.vignatti@...ia.com>
Cc:	Dave Airlie <airlied@...hat.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	"Paulo R. Zanoni" <przanoni@...il.com>,
	Andy Getzendanner <james.getzendanner@...dents.olin.edu>,
	Brad Spengler <spender@...ecurity.net>,
	"dri-devel@...ts.sf.net" <dri-devel@...ts.sf.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] vgaarb: fix trylock behaviour accordingly vga_tryget
 return value

Signed-off-by: Henry Zhao <Henry.Zhao@....COM>

Tiago Vignatti wrote:
> From: Henry Zhao <Henry.Zhao@....COM>
>
> Signed-off-by: Tiago Vignatti <tiago.vignatti@...ia.com>
> ---
> Henry, can you Signed-off-by there?
>
>  drivers/gpu/vga/vgaarb.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
> index 2f6cf69..0f5f64d 100644
> --- a/drivers/gpu/vga/vgaarb.c
> +++ b/drivers/gpu/vga/vgaarb.c
> @@ -935,7 +935,7 @@ static ssize_t vga_arb_write(struct file *file, const char __user * buf,
>  			goto done;
>  		}
>  
> -		if (vga_tryget(pdev, io_state)) {
> +		if (!vga_tryget(pdev, io_state)) {
>  			/* Update the client's locks lists... */
>  			for (i = 0; i < MAX_USER_CARDS; i++) {
>  				if (priv->cards[i].pdev == pdev) {
>   

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