linux-kernel - Re: [PATCH 1/1] xen-netfront: cast grant table reference first to type int

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Message-Id: <20161102.153352.177155711824743808.davem@davemloft.net>
Date:   Wed, 02 Nov 2016 15:33:52 -0400 (EDT)
From:   David Miller <davem@...emloft.net>
To:     dongli.zhang@...cle.com
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        xen-devel@...ts.xenproject.org
Subject: Re: [PATCH 1/1] xen-netfront: cast grant table reference first to
 type int

From: Dongli Zhang <dongli.zhang@...cle.com>
Date: Wed,  2 Nov 2016 09:04:33 +0800

> IS_ERR_VALUE() in commit 87557efc27f6a50140fb20df06a917f368ce3c66
> ("xen-netfront: do not cast grant table reference to signed short") would
> not return true for error code unless we cast ref first to type int.
> 
> Signed-off-by: Dongli Zhang <dongli.zhang@...cle.com>

Applied.