From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH 1/1] xen-netfront: cast grant table reference first to type int Date: Wed, 02 Nov 2016 15:33:52 -0400 (EDT) Message-ID: <20161102.153352.177155711824743808.davem@davemloft.net> References: <1478048673-26284-1-git-send-email-dongli.zhang@oracle.com> Mime-Version: 1.0 Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, xen-devel@lists.xenproject.org To: dongli.zhang@oracle.com Return-path: In-Reply-To: <1478048673-26284-1-git-send-email-dongli.zhang@oracle.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Dongli Zhang 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 Applied.