From: Julia Lawall <julia.lawall@lip6.fr>
To: Joao Pinto <Joao.Pinto@synopsys.com>
Cc: davem@davemloft.net, clabbe.montjoie@gmail.com,
treding@nvidia.com, niklas.cassel@axis.com,
netdev@vger.kernel.org, Joao Pinto <Joao.Pinto@synopsys.com>,
kbuild-all@01.org
Subject: Re: [PATCH 2/4 v2 net-next] net: stmmac: adding multiple buffers for RX (fwd)
Date: Thu, 6 Apr 2017 07:29:13 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1704060728040.2052@hadrien> (raw)
It looks like an infinite loop, if queue is unsigned.
julia
---------- Forwarded message ----------
Date: Thu, 6 Apr 2017 11:49:01 +0800
From: kbuild test robot <fengguang.wu@intel.com>
To: kbuild@01.org
Cc: Julia Lawall <julia.lawall@lip6.fr>
Subject: Re: [PATCH 2/4 v2 net-next] net: stmmac: adding multiple buffers for RX
[auto build test WARNING on net-next/master]
url: https://github.com/0day-ci/linux/commits/Joao-Pinto/net-stmmac-break-some-functions-into-RX-and-TX-scopes/20170406-081523
:::::: branch date: 4 hours ago
:::::: commit date: 4 hours ago
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2852:15-20: WARNING: Unsigned expression compared with zero: entry < 0
>> drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1190:8-13: WARNING: Unsigned expression compared with zero: queue >= 0
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout b403b5806dca0f85904ddc6cf2241286da86ed9b
vim +1190 drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
b6ad2502 Joao Pinto 2017-04-05 1174 if (priv->extend_desc)
b403b580 Joao Pinto 2017-04-05 1175 priv->hw->mode->init(rx_q->dma_erx,
b403b580 Joao Pinto 2017-04-05 1176 rx_q->dma_rx_phy,
e3ad57c9 Giuseppe Cavallaro 2016-02-29 1177 DMA_RX_SIZE, 1);
b6ad2502 Joao Pinto 2017-04-05 1178 else
b403b580 Joao Pinto 2017-04-05 1179 priv->hw->mode->init(rx_q->dma_rx,
b403b580 Joao Pinto 2017-04-05 1180 rx_q->dma_rx_phy,
e3ad57c9 Giuseppe Cavallaro 2016-02-29 1181 DMA_RX_SIZE, 0);
b6ad2502 Joao Pinto 2017-04-05 1182 }
b403b580 Joao Pinto 2017-04-05 1183 }
b403b580 Joao Pinto 2017-04-05 1184
b403b580 Joao Pinto 2017-04-05 1185 buf_sz = bfsize;
b6ad2502 Joao Pinto 2017-04-05 1186
b6ad2502 Joao Pinto 2017-04-05 1187 return 0;
b403b580 Joao Pinto 2017-04-05 1188
b6ad2502 Joao Pinto 2017-04-05 1189 err_init_rx_buffers:
b403b580 Joao Pinto 2017-04-05 @1190 while (queue >= 0) {
b6ad2502 Joao Pinto 2017-04-05 1191 while (--i >= 0)
b403b580 Joao Pinto 2017-04-05 1192 stmmac_free_rx_buffer(priv, queue, i);
b403b580 Joao Pinto 2017-04-05 1193
b403b580 Joao Pinto 2017-04-05 1194 i = DMA_RX_SIZE;
b403b580 Joao Pinto 2017-04-05 1195 queue--;
b403b580 Joao Pinto 2017-04-05 1196 }
b403b580 Joao Pinto 2017-04-05 1197
b6ad2502 Joao Pinto 2017-04-05 1198 return ret;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
next reply other threads:[~2017-04-06 5:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-06 5:29 Julia Lawall [this message]
2017-04-06 8:23 ` [PATCH 2/4 v2 net-next] net: stmmac: adding multiple buffers for RX (fwd) Joao Pinto
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