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Re: [PATCH] drivers: net: cpsw: fix kmemleak false-positive reports for sk buffers

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From Catalin Marinas <catalin.marinas@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH] drivers: net: cpsw: fix kmemleak false-positive reports for sk buffers
Date Tue, 09 Aug 2016 17:20:01 +0200
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On Tue, Aug 09, 2016 at 03:09:44PM +0300, Grygorii Strashko wrote:
> diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
> index 0805855..0456e0e 100644
> --- a/drivers/net/ethernet/ti/cpsw.c
> +++ b/drivers/net/ethernet/ti/cpsw.c
> @@ -732,6 +732,7 @@ static void cpsw_rx_handler(void *token, int len, int status)
>  		netif_receive_skb(skb);
>  		ndev->stats.rx_bytes += len;
>  		ndev->stats.rx_packets++;
> +		kmemleak_not_leak(new_skb);
>  	} else {
>  		ndev->stats.rx_dropped++;
>  		new_skb = skb;
> @@ -1323,6 +1324,7 @@ static int cpsw_ndo_open(struct net_device *ndev)
>  				kfree_skb(skb);
>  				goto err_cleanup;
>  			}
> +			kmemleak_not_leak(skb);

Nitpick: I would add a short comment above the kmemleak_not_leak() calls
on why there is a false positive. Otherwise:

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

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Thread

[PATCH] drivers: net: cpsw: fix kmemleak false-positive reports for sk buffers Grygorii Strashko <grygorii.strashko@ti.com> - 2016-08-09 14:20 +0200
  Re: [PATCH] drivers: net: cpsw: fix kmemleak false-positive reports  for sk buffers Catalin Marinas <catalin.marinas@arm.com> - 2016-08-09 17:20 +0200
  Re: [PATCH] drivers: net: cpsw: fix kmemleak false-positive reports  for sk buffers Mugunthan V N <mugunthanvnm@ti.com> - 2016-08-10 20:10 +0200

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