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SubjectRe: [PATCH net-next 11/12] ethtool: add timestamping related string sets
Hi Michal,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on net-next/master]
[also build test WARNING on next-20200326]
[cannot apply to net/master linus/master v5.6-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url: https://github.com/0day-ci/linux/commits/Michal-Kubecek/ethtool-netlink-interface-part-4/20200327-122420
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git 5bb7357f45315138f623d08a615d23dd6ac26cf3
config: nds32-defconfig (attached as .config)
compiler: nds32le-linux-gcc (GCC) 9.2.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=9.2.0 make.cross ARCH=nds32

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

net/core/dev_ioctl.c: In function 'net_hwtstamp_validate':
>> net/core/dev_ioctl.c:186:2: warning: enumeration value '__HWTSTAMP_TX_CNT' not handled in switch [-Wswitch]
186 | switch (tx_type) {
| ^~~~~~
>> net/core/dev_ioctl.c:195:2: warning: enumeration value '__HWTSTAMP_FILTER_CNT' not handled in switch [-Wswitch]
195 | switch (rx_filter) {
| ^~~~~~

vim +/__HWTSTAMP_TX_CNT +186 net/core/dev_ioctl.c

96b45cbd956ce8 Cong Wang 2013-02-15 168
96b45cbd956ce8 Cong Wang 2013-02-15 169 static int net_hwtstamp_validate(struct ifreq *ifr)
96b45cbd956ce8 Cong Wang 2013-02-15 170 {
96b45cbd956ce8 Cong Wang 2013-02-15 171 struct hwtstamp_config cfg;
96b45cbd956ce8 Cong Wang 2013-02-15 172 enum hwtstamp_tx_types tx_type;
96b45cbd956ce8 Cong Wang 2013-02-15 173 enum hwtstamp_rx_filters rx_filter;
96b45cbd956ce8 Cong Wang 2013-02-15 174 int tx_type_valid = 0;
96b45cbd956ce8 Cong Wang 2013-02-15 175 int rx_filter_valid = 0;
96b45cbd956ce8 Cong Wang 2013-02-15 176
96b45cbd956ce8 Cong Wang 2013-02-15 177 if (copy_from_user(&cfg, ifr->ifr_data, sizeof(cfg)))
96b45cbd956ce8 Cong Wang 2013-02-15 178 return -EFAULT;
96b45cbd956ce8 Cong Wang 2013-02-15 179
96b45cbd956ce8 Cong Wang 2013-02-15 180 if (cfg.flags) /* reserved for future extensions */
96b45cbd956ce8 Cong Wang 2013-02-15 181 return -EINVAL;
96b45cbd956ce8 Cong Wang 2013-02-15 182
96b45cbd956ce8 Cong Wang 2013-02-15 183 tx_type = cfg.tx_type;
96b45cbd956ce8 Cong Wang 2013-02-15 184 rx_filter = cfg.rx_filter;
96b45cbd956ce8 Cong Wang 2013-02-15 185
96b45cbd956ce8 Cong Wang 2013-02-15 @186 switch (tx_type) {
96b45cbd956ce8 Cong Wang 2013-02-15 187 case HWTSTAMP_TX_OFF:
96b45cbd956ce8 Cong Wang 2013-02-15 188 case HWTSTAMP_TX_ON:
96b45cbd956ce8 Cong Wang 2013-02-15 189 case HWTSTAMP_TX_ONESTEP_SYNC:
b6fd7b96366769 Richard Cochran 2019-12-25 190 case HWTSTAMP_TX_ONESTEP_P2P:
96b45cbd956ce8 Cong Wang 2013-02-15 191 tx_type_valid = 1;
96b45cbd956ce8 Cong Wang 2013-02-15 192 break;
96b45cbd956ce8 Cong Wang 2013-02-15 193 }
96b45cbd956ce8 Cong Wang 2013-02-15 194
96b45cbd956ce8 Cong Wang 2013-02-15 @195 switch (rx_filter) {
96b45cbd956ce8 Cong Wang 2013-02-15 196 case HWTSTAMP_FILTER_NONE:
96b45cbd956ce8 Cong Wang 2013-02-15 197 case HWTSTAMP_FILTER_ALL:
96b45cbd956ce8 Cong Wang 2013-02-15 198 case HWTSTAMP_FILTER_SOME:
96b45cbd956ce8 Cong Wang 2013-02-15 199 case HWTSTAMP_FILTER_PTP_V1_L4_EVENT:
96b45cbd956ce8 Cong Wang 2013-02-15 200 case HWTSTAMP_FILTER_PTP_V1_L4_SYNC:
96b45cbd956ce8 Cong Wang 2013-02-15 201 case HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ:
96b45cbd956ce8 Cong Wang 2013-02-15 202 case HWTSTAMP_FILTER_PTP_V2_L4_EVENT:
96b45cbd956ce8 Cong Wang 2013-02-15 203 case HWTSTAMP_FILTER_PTP_V2_L4_SYNC:
96b45cbd956ce8 Cong Wang 2013-02-15 204 case HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ:
96b45cbd956ce8 Cong Wang 2013-02-15 205 case HWTSTAMP_FILTER_PTP_V2_L2_EVENT:
96b45cbd956ce8 Cong Wang 2013-02-15 206 case HWTSTAMP_FILTER_PTP_V2_L2_SYNC:
96b45cbd956ce8 Cong Wang 2013-02-15 207 case HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ:
96b45cbd956ce8 Cong Wang 2013-02-15 208 case HWTSTAMP_FILTER_PTP_V2_EVENT:
96b45cbd956ce8 Cong Wang 2013-02-15 209 case HWTSTAMP_FILTER_PTP_V2_SYNC:
96b45cbd956ce8 Cong Wang 2013-02-15 210 case HWTSTAMP_FILTER_PTP_V2_DELAY_REQ:
b8210a9e4bea63 Miroslav Lichvar 2017-05-19 211 case HWTSTAMP_FILTER_NTP_ALL:
e3412575488ac2 Miroslav Lichvar 2017-05-19 212 rx_filter_valid = 1;
b8210a9e4bea63 Miroslav Lichvar 2017-05-19 213 break;
96b45cbd956ce8 Cong Wang 2013-02-15 214 }
96b45cbd956ce8 Cong Wang 2013-02-15 215
96b45cbd956ce8 Cong Wang 2013-02-15 216 if (!tx_type_valid || !rx_filter_valid)
96b45cbd956ce8 Cong Wang 2013-02-15 217 return -ERANGE;
96b45cbd956ce8 Cong Wang 2013-02-15 218
96b45cbd956ce8 Cong Wang 2013-02-15 219 return 0;
96b45cbd956ce8 Cong Wang 2013-02-15 220 }
96b45cbd956ce8 Cong Wang 2013-02-15 221

:::::: The code at line 186 was first introduced by commit
:::::: 96b45cbd956ce83908378d87d009b05645353f22 net: move ioctl functions into a separated file

:::::: TO: Cong Wang <xiyou.wangcong@gmail.com>
:::::: CC: David S. Miller <davem@davemloft.net>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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