linux-kernel - Re: [PATCH] vgaarb: use kzalloc in vga_arbiter_add_pci_device()

Open Source and information security mailing list archives

Date:	Thu, 01 Oct 2015 11:26:40 +0300
From:	Jani Nikula <jani.nikula@...ux.intel.com>
To:	Rasmus Villemoes <linux@...musvillemoes.dk>,
	David Airlie <airlied@...ux.ie>
Cc:	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] vgaarb: use kzalloc in vga_arbiter_add_pci_device()

On Wed, 30 Sep 2015, Rasmus Villemoes <linux@...musvillemoes.dk> wrote:
> Signed-off-by: Rasmus Villemoes <linux@...musvillemoes.dk>

Reviewed-by: Jani Nikula <jani.nikula@...el.com>

> ---
>  drivers/gpu/vga/vgaarb.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/vga/vgaarb.c b/drivers/gpu/vga/vgaarb.c
> index a0b433456107..3166e4bc4eb6 100644
> --- a/drivers/gpu/vga/vgaarb.c
> +++ b/drivers/gpu/vga/vgaarb.c
> @@ -531,7 +531,7 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
>  		return false;
>  
>  	/* Allocate structure */
> -	vgadev = kmalloc(sizeof(struct vga_device), GFP_KERNEL);
> +	vgadev = kzalloc(sizeof(struct vga_device), GFP_KERNEL);
>  	if (vgadev == NULL) {
>  		pr_err("failed to allocate pci device\n");
>  		/*
> @@ -541,8 +541,6 @@ static bool vga_arbiter_add_pci_device(struct pci_dev *pdev)
>  		return false;
>  	}
>  
> -	memset(vgadev, 0, sizeof(*vgadev));
> -
>  	/* Take lock & check for duplicates */
>  	spin_lock_irqsave(&vga_lock, flags);
>  	if (vgadev_find(pdev) != NULL) {
> -- 
> 2.1.3
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Jani Nikula, Intel Open Source Technology Center
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