From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: [PATCH 3.15 078/109] xen-netback: Fix pointer incrementation to avoid incorrect logging Date: Sat, 26 Jul 2014 12:02:40 -0700 Message-ID: <20140726190226.217751248@linuxfoundation.org> References: <20140726190223.834037485@linuxfoundation.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Zoltan Kiss , Armin Zentai , netdev@vger.kernel.org, xen-devel@lists.xenproject.org, "David S. Miller" To: linux-kernel@vger.kernel.org Return-path: In-Reply-To: <20140726190223.834037485@linuxfoundation.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org 3.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Zoltan Kiss [ Upstream commit d8cfbfc4660054150ca1b7c501a8edc0771022f9 ] Due to this pointer is increased prematurely, the error log contains rubbish. Signed-off-by: Zoltan Kiss Reported-by: Armin Zentai Cc: netdev@vger.kernel.org Cc: linux-kernel@vger.kernel.org Cc: xen-devel@lists.xenproject.org Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/xen-netback/netback.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -1022,7 +1022,6 @@ static int xenvif_tx_check_gop(struct xe /* Check status of header. */ err = (*gopp_copy)->status; - (*gopp_copy)++; if (unlikely(err)) { if (net_ratelimit()) netdev_dbg(vif->dev, @@ -1035,6 +1034,7 @@ static int xenvif_tx_check_gop(struct xe xenvif_idx_release(vif, pending_idx, XEN_NETIF_RSP_ERROR); } + (*gopp_copy)++; check_frags: for (i = 0; i < nr_frags; i++, gop_map++) {