Subject: Re: [PATCH net] bonding: fix feature flag setting at init time

From: kernel test robot <[email-masked]>
Date: Mon, 23 Nov 2020 23:32:17 +0800

Hi Jarod,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net-next/master]
[also build test ERROR on next-20201123]
[cannot apply to net/master linux/master linus/master sparc-next/master v5.10-rc5]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Jarod-Wilson/bonding-fix-feature-flag-setting-at-init-time/20201123-111956
base:   https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git f9e425e99b0756c1479042afe761073779df2a30
config: x86_64-rhel (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/6d883c4c2b01573ba9dddcb9fe109f961a8b7f10
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Jarod-Wilson/bonding-fix-feature-flag-setting-at-init-time/20201123-111956
        git checkout 6d883c4c2b01573ba9dddcb9fe109f961a8b7f10
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <[email-masked]>

All errors (new ones prefixed by >>):

   drivers/net/bonding/bond_options.c: In function 'bond_option_mode_set':
>> drivers/net/bonding/bond_options.c:752:38: error: 'BOND_XFRM_FEATURES' undeclared (first use in this function)
     752 |  netdev_features_t mask = features & BOND_XFRM_FEATURES;
         |                                      ^~~~~~~~~~~~~~~~~~
   drivers/net/bonding/bond_options.c:752:38: note: each undeclared identifier is reported only once for each function it appears in
   drivers/net/bonding/bond_options.c:752:20: warning: unused variable 'mask' [-Wunused-variable]
     752 |  netdev_features_t mask = features & BOND_XFRM_FEATURES;
         |                    ^~~~

vim +/BOND_XFRM_FEATURES +752 drivers/net/bonding/bond_options.c

   747	
   748	static int bond_option_mode_set(struct bonding *bond,
   749					const struct bond_opt_value *newval)
   750	{
   751		netdev_features_t features = bond->dev->features;
 > 752		netdev_features_t mask = features & BOND_XFRM_FEATURES;
   753	
   754		if (!bond_mode_uses_arp(newval->value)) {
   755			if (bond->params.arp_interval) {
   756				netdev_dbg(bond->dev, "%s mode is incompatible with arp monitoring, start mii monitoring\n",
   757					   newval->string);
   758				/* disable arp monitoring */
   759				bond->params.arp_interval = 0;
   760			}
   761	
   762			if (!bond->params.miimon) {
   763				/* set miimon to default value */
   764				bond->params.miimon = BOND_DEFAULT_MIIMON;
   765				netdev_dbg(bond->dev, "Setting MII monitoring interval to %d\n",
   766					   bond->params.miimon);
   767			}
   768		}
   769	
   770		if (newval->value == BOND_MODE_ALB)
   771			bond->params.tlb_dynamic_lb = 1;
   772	

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