linux-kernel - Re: [PATCH V1 net-next 1/1] hyperv: Enable sendbuf mechanism on the send path

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Date:	Wed, 30 Apr 2014 21:51:17 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	"K. Y. Srinivasan" <kys@...rosoft.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, devel@...uxdriverproject.org,
	olaf@...fle.de, apw@...onical.com, jasowang@...hat.com
Subject: Re: [PATCH V1 net-next 1/1] hyperv: Enable sendbuf mechanism on the
 send path

On Wed, Apr 30, 2014 at 10:14:31AM -0700, K. Y. Srinivasan wrote:
> +	/* Setup state for managing the send buffer. */
> +	net_device->map_words = DIV_ROUND_UP(net_device->send_section_cnt,
> +					     BITS_PER_LONG);
> +
> +	net_device->send_section_map =
> +		kzalloc(net_device->map_words * sizeof(ulong), GFP_KERNEL);
> +	if (net_device->send_section_map == NULL)
> +		goto cleanup;

I told you about this returning success bug if kmalloc() fails but you
didn't fix it.

> +
>  	goto exit;
>  
>  cleanup:
> -	netvsc_destroy_recv_buf(net_device);
> +	netvsc_destroy_buf(net_device);
>  
>  exit:
>  	return ret;

regards,
dan carpenter
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