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List:       linux-kernel
Subject:    Re: [PATCH v2] Broadcom CNIC core network driver: fix mem leak on
From:       David Miller <davem () davemloft ! net>
Date:       2010-12-31 19:20:25
Message-ID: 20101231.112025.245393392.davem () davemloft ! net
[Download RAW message or body]

From: Jesper Juhl <jj@chaosbits.net>
Date: Sun, 26 Dec 2010 21:57:39 +0100 (CET)

> We are leaking memory in drivers/net/cnic.c::cnic_alloc_uio_rings() if 
> either of the calls to dma_alloc_coherent() fail. This patch fixes it by 
> freeing both the memory allocated with kzalloc() and memory allocated with 
> previous calls to dma_alloc_coherent() when there's a failure.
> 
> Thanks to  Joe Perches <joe@perches.com>  for suggesting a better 
> implementation than my initial version.
> 
> 
> Signed-off-by: Jesper Juhl <jj@chaosbits.net>

 ...
> + err_dma:
> +	dma_free_coherent(&udev->pdev->dev, udev->l2_ring_size,
> +       			  udev->l2_ring, udev->l2_ring_map);

Space before tab in indentation, improperly positioned third argument
indentation.

I fixed all of this up, but please do not skimp on making sure these
details are taken care of when updating your patch in response to feedback.

Thanks.
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