Hi John,

[auto build test WARNING on net-next/master]
[also build test WARNING on next-20160912]
[cannot apply to v4.8-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/John-Crispin/net-dsa-add-FIB-support/20160912-190416
config: i386-randconfig-x011-09112120 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All warnings (new ones prefixed by >>):

   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/list.h:4,
                    from net/dsa/slave.c:11:
   net/dsa/slave.c: In function 'dsa_slave_ipv4_fib_add':
   net/dsa/slave.c:345:9: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
            ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> net/dsa/slave.c:345:2: note: in expansion of macro 'if'
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
     ^~
   net/dsa/slave.c:345:39: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
                                          ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
>> net/dsa/slave.c:345:2: note: in expansion of macro 'if'
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
     ^~
   net/dsa/slave.c:345:9: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
            ^
   include/linux/compiler.h:149:42: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                             ^~~~
>> net/dsa/slave.c:345:2: note: in expansion of macro 'if'
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
     ^~
   net/dsa/slave.c:345:39: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
                                          ^
   include/linux/compiler.h:149:42: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                             ^~~~
>> net/dsa/slave.c:345:2: note: in expansion of macro 'if'
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
     ^~
   net/dsa/slave.c:345:9: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
            ^
   include/linux/compiler.h:160:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^~~~
>> net/dsa/slave.c:345:2: note: in expansion of macro 'if'
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
     ^~
   net/dsa/slave.c:345:39: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
                                          ^
   include/linux/compiler.h:160:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^~~~
>> net/dsa/slave.c:345:2: note: in expansion of macro 'if'
     if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
     ^~
   net/dsa/slave.c:349:11: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
      ret = ds->drv->ipv4_fib_prepare(ds, p->port, fib4, trans);
              ^~
   net/dsa/slave.c:351:11: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
      ret = ds->drv->ipv4_fib_add(ds, p->port, fib4, trans);
              ^~
   In file included from include/uapi/linux/stddef.h:1:0,
                    from include/linux/stddef.h:4,
                    from include/uapi/linux/posix_types.h:4,
                    from include/uapi/linux/types.h:13,
                    from include/linux/types.h:5,
                    from include/linux/list.h:4,
                    from net/dsa/slave.c:11:
   net/dsa/slave.c: In function 'dsa_slave_ipv4_fib_del':
   net/dsa/slave.c:363:8: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (ds->drv->ipv4_fib_del)
           ^
   include/linux/compiler.h:149:30: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                 ^~~~
   net/dsa/slave.c:363:2: note: in expansion of macro 'if'
     if (ds->drv->ipv4_fib_del)
     ^~
   net/dsa/slave.c:363:8: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (ds->drv->ipv4_fib_del)
           ^
   include/linux/compiler.h:149:42: note: in definition of macro '__trace_if'
     if (__builtin_constant_p(!!(cond)) ? !!(cond) :   \
                                             ^~~~
   net/dsa/slave.c:363:2: note: in expansion of macro 'if'
     if (ds->drv->ipv4_fib_del)
     ^~
   net/dsa/slave.c:363:8: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
     if (ds->drv->ipv4_fib_del)
           ^
   include/linux/compiler.h:160:16: note: in definition of macro '__trace_if'
      ______r = !!(cond);     \
                   ^~~~
   net/dsa/slave.c:363:2: note: in expansion of macro 'if'
     if (ds->drv->ipv4_fib_del)
     ^~
   net/dsa/slave.c:364:11: error: 'struct dsa_switch' has no member named 'drv'; did you mean 'dev'?
      ret = ds->drv->ipv4_fib_del(ds, p->port, fib4);
              ^~

vim +/if +345 net/dsa/slave.c

   329		struct dsa_switch *ds = p->parent;
   330	
   331		if (ds->ops->port_mdb_dump)
   332			return ds->ops->port_mdb_dump(ds, p->port, mdb, cb);
   333	
   334		return -EOPNOTSUPP;
   335	}
   336	
   337	static int dsa_slave_ipv4_fib_add(struct net_device *dev,
   338					  const struct switchdev_obj_ipv4_fib *fib4,
   339					  struct switchdev_trans *trans)
   340	{
   341		struct dsa_slave_priv *p = netdev_priv(dev);
   342		struct dsa_switch *ds = p->parent;
   343		int ret;
   344	
 > 345		if (!ds->drv->ipv4_fib_prepare || !ds->drv->ipv4_fib_add)
   346			return -EOPNOTSUPP;
   347	
   348		if (switchdev_trans_ph_prepare(trans))
   349			ret = ds->drv->ipv4_fib_prepare(ds, p->port, fib4, trans);
   350		else
   351			ret = ds->drv->ipv4_fib_add(ds, p->port, fib4, trans);
   352	
   353		return ret;

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