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Date: Thu, 7 Jan 2021 21:01:03 +0800
From: kernel test robot <lkp@...el.com>
To: Vladimir Oltean <olteanv@...il.com>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: kbuild-all@...ts.01.org, clang-built-linux@...glegroups.com,
netdev@...r.kernel.org, Andrew Lunn <andrew@...n.ch>,
Florian Fainelli <f.fainelli@...il.com>,
Cong Wang <xiyou.wangcong@...il.com>,
Stephen Hemminger <stephen@...workplumber.org>,
Eric Dumazet <edumazet@...gle.com>,
George McCollister <george.mccollister@...il.com>,
Oleksij Rempel <o.rempel@...gutronix.de>
Subject: Re: [PATCH v3 net-next 08/12] net: make dev_get_stats return void
Hi Vladimir,
I love your patch! Yet something to improve:
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Vladimir-Oltean/Make-ndo_get_stats64-sleepable/20210107-175746
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 3db1a3fa98808aa90f95ec3e0fa2fc7abf28f5c9
config: x86_64-randconfig-a005-20210107 (attached as .config)
compiler: clang version 12.0.0 (https://github.com/llvm/llvm-project 5c951623bc8965fa1e89660f2f5f4a2944e4981a)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# https://github.com/0day-ci/linux/commit/5d1dbcbfc55bf64381ca2bf9833e95f2256a7b3f
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Vladimir-Oltean/Make-ndo_get_stats64-sleepable/20210107-175746
git checkout 5d1dbcbfc55bf64381ca2bf9833e95f2256a7b3f
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All errors (new ones prefixed by >>):
drivers/scsi/fcoe/fcoe_transport.c:176:19: error: redefinition of 'stats' with a different type: 'struct fc_stats *' vs 'struct rtnl_link_stats64'
struct fc_stats *stats;
^
drivers/scsi/fcoe/fcoe_transport.c:173:27: note: previous definition is here
struct rtnl_link_stats64 stats;
^
>> drivers/scsi/fcoe/fcoe_transport.c:185:9: error: assigning to 'struct rtnl_link_stats64' from incompatible type 'typeof ((typeof (*((lport->stats))) *)((lport->stats)))' (aka 'struct fc_stats *')
stats = per_cpu_ptr(lport->stats, cpu);
^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/scsi/fcoe/fcoe_transport.c:186:15: error: member reference type 'struct rtnl_link_stats64' is not a pointer; did you mean to use '.'?
lfc += stats->LinkFailureCount;
~~~~~^~
.
drivers/scsi/fcoe/fcoe_transport.c:186:17: error: no member named 'LinkFailureCount' in 'struct rtnl_link_stats64'
lfc += stats->LinkFailureCount;
~~~~~ ^
drivers/scsi/fcoe/fcoe_transport.c:187:16: error: member reference type 'struct rtnl_link_stats64' is not a pointer; did you mean to use '.'?
vlfc += stats->VLinkFailureCount;
~~~~~^~
.
drivers/scsi/fcoe/fcoe_transport.c:187:18: error: no member named 'VLinkFailureCount' in 'struct rtnl_link_stats64'
vlfc += stats->VLinkFailureCount;
~~~~~ ^
drivers/scsi/fcoe/fcoe_transport.c:188:16: error: member reference type 'struct rtnl_link_stats64' is not a pointer; did you mean to use '.'?
mdac += stats->MissDiscAdvCount;
~~~~~^~
.
drivers/scsi/fcoe/fcoe_transport.c:188:18: error: no member named 'MissDiscAdvCount' in 'struct rtnl_link_stats64'
mdac += stats->MissDiscAdvCount;
~~~~~ ^
drivers/scsi/fcoe/fcoe_transport.c:866:27: warning: cast to smaller integer type 'enum fip_mode' from 'void *' [-Wvoid-pointer-to-enum-cast]
enum fip_mode fip_mode = (enum fip_mode)kp->arg;
^~~~~~~~~~~~~~~~~~~~~~
1 warning and 8 errors generated.
vim +185 drivers/scsi/fcoe/fcoe_transport.c
03702689fcc985e Yi Zou 2012-12-06 159
57c2728fa806aff Yi Zou 2012-12-06 160 /**
57c2728fa806aff Yi Zou 2012-12-06 161 * __fcoe_get_lesb() - Get the Link Error Status Block (LESB) for a given lport
57c2728fa806aff Yi Zou 2012-12-06 162 * @lport: The local port to update speeds for
57c2728fa806aff Yi Zou 2012-12-06 163 * @fc_lesb: Pointer to the LESB to be filled up
57c2728fa806aff Yi Zou 2012-12-06 164 * @netdev: Pointer to the netdev that is associated with the lport
57c2728fa806aff Yi Zou 2012-12-06 165 *
57c2728fa806aff Yi Zou 2012-12-06 166 * Note, the Link Error Status Block (LESB) for FCoE is defined in FC-BB-6
57c2728fa806aff Yi Zou 2012-12-06 167 * Clause 7.11 in v1.04.
57c2728fa806aff Yi Zou 2012-12-06 168 */
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 169 void __fcoe_get_lesb(struct fc_lport *lport,
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 170 struct fc_els_lesb *fc_lesb,
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 171 struct net_device *netdev)
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 172 {
5d1dbcbfc55bf64 Vladimir Oltean 2021-01-07 173 struct rtnl_link_stats64 stats;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 174 unsigned int cpu;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 175 u32 lfc, vlfc, mdac;
1bd49b482077e23 Vasu Dev 2012-05-25 176 struct fc_stats *stats;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 177 struct fcoe_fc_els_lesb *lesb;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 178
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 179 lfc = 0;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 180 vlfc = 0;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 181 mdac = 0;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 182 lesb = (struct fcoe_fc_els_lesb *)fc_lesb;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 183 memset(lesb, 0, sizeof(*lesb));
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 184 for_each_possible_cpu(cpu) {
1bd49b482077e23 Vasu Dev 2012-05-25 @185 stats = per_cpu_ptr(lport->stats, cpu);
1bd49b482077e23 Vasu Dev 2012-05-25 186 lfc += stats->LinkFailureCount;
1bd49b482077e23 Vasu Dev 2012-05-25 187 vlfc += stats->VLinkFailureCount;
1bd49b482077e23 Vasu Dev 2012-05-25 188 mdac += stats->MissDiscAdvCount;
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 189 }
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 190 lesb->lesb_link_fail = htonl(lfc);
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 191 lesb->lesb_vlink_fail = htonl(vlfc);
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 192 lesb->lesb_miss_fka = htonl(mdac);
5d1dbcbfc55bf64 Vladimir Oltean 2021-01-07 193 dev_get_stats(netdev, &stats);
5d1dbcbfc55bf64 Vladimir Oltean 2021-01-07 194 lesb->lesb_fcs_error = htonl(stats.rx_crc_errors);
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 195 }
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 196 EXPORT_SYMBOL_GPL(__fcoe_get_lesb);
814740d5f67ae5f Bhanu Prakash Gollapudi 2011-10-03 197
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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