netdev - RE: [PATCH 4/4] drivers/net/wireless/mwifiex/scan.c: convert GFP_KERNEL to GFP

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Date:	Mon, 9 Jan 2012 10:49:19 -0800
From:	Bing Zhao <bzhao@...vell.com>
To:	Julia Lawall <Julia.Lawall@...6.fr>
CC:	"kernel-janitors@...r.kernel.org" <kernel-janitors@...r.kernel.org>,
	"John W. Linville" <linville@...driver.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 4/4] drivers/net/wireless/mwifiex/scan.c: convert
 GFP_KERNEL to GFP_ATOMIC

Hi Julia,

Thanks for the patch.

> Subject: [PATCH 4/4] drivers/net/wireless/mwifiex/scan.c: convert GFP_KERNEL to GFP_ATOMIC
> 
> From: Julia Lawall <julia.lawall@...6.fr>
> 
> The function is called with locks held and thus should not use GFP_KERNEL.
> 
> The semantic patch that makes this report is available
> in scripts/coccinelle/locks/call_kern.cocci.
> 
> More information about semantic patching is available at
> http://coccinelle.lip6.fr/
> 
> Signed-off-by: Julia Lawall <julia.lawall@...6.fr>

Acked-by: Bing Zhao <bzhao@...vell.com>

Regards,
Bing

> 
> ---
>  drivers/net/wireless/mwifiex/scan.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
> index 6396d33..98f1ca9 100644
> --- a/drivers/net/wireless/mwifiex/scan.c
> +++ b/drivers/net/wireless/mwifiex/scan.c
> @@ -2001,7 +2001,7 @@ mwifiex_save_curr_bcn(struct mwifiex_private *priv)
> 
>  		kfree(priv->curr_bcn_buf);
>  		priv->curr_bcn_buf = kmalloc(curr_bss->beacon_buf_size,
> -						GFP_KERNEL);
> +						GFP_ATOMIC);
>  		if (!priv->curr_bcn_buf) {
>  			dev_err(priv->adapter->dev,
>  					"failed to alloc curr_bcn_buf\n");

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