Re: [PATCH v3 net-next 01/14] net: bridge: mst: Multiple Spanning Tree (MST) mode

From: kernel test robot
Date: Mon Mar 14 2022 - 12:46:01 EST


Hi Tobias,

I love your patch! Yet something to improve:

[auto build test ERROR on net-next/master]

url: https://github.com/0day-ci/linux/commits/Tobias-Waldekranz/net-bridge-Multiple-Spanning-Trees/20220314-175717
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git de29aff976d3216e7f3ab41fcd7af46fa8f7eab7
config: hexagon-randconfig-r041-20220314 (https://download.01.org/0day-ci/archive/20220315/202203150034.m0Fvevlq-lkp@xxxxxxxxx/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 3e4950d7fa78ac83f33bbf1658e2f49a73719236)
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
# https://github.com/0day-ci/linux/commit/702c502efb27c12860bc55fc8d9b1bfd99466623
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Tobias-Waldekranz/net-bridge-Multiple-Spanning-Trees/20220314-175717
git checkout 702c502efb27c12860bc55fc8d9b1bfd99466623
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash net/bridge/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> net/bridge/br.c:269:9: error: implicit declaration of function 'br_mst_set_enabled' [-Werror,-Wimplicit-function-declaration]
err = br_mst_set_enabled(br, on, extack);
^
net/bridge/br.c:269:9: note: did you mean 'br_stp_set_enabled'?
net/bridge/br_private.h:1828:5: note: 'br_stp_set_enabled' declared here
int br_stp_set_enabled(struct net_bridge *br, unsigned long val,
^
1 error generated.


vim +/br_mst_set_enabled +269 net/bridge/br.c

245
246 /* br_boolopt_toggle - change user-controlled boolean option
247 *
248 * @br: bridge device
249 * @opt: id of the option to change
250 * @on: new option value
251 * @extack: extack for error messages
252 *
253 * Changes the value of the respective boolean option to @on taking care of
254 * any internal option value mapping and configuration.
255 */
256 int br_boolopt_toggle(struct net_bridge *br, enum br_boolopt_id opt, bool on,
257 struct netlink_ext_ack *extack)
258 {
259 int err = 0;
260
261 switch (opt) {
262 case BR_BOOLOPT_NO_LL_LEARN:
263 br_opt_toggle(br, BROPT_NO_LL_LEARN, on);
264 break;
265 case BR_BOOLOPT_MCAST_VLAN_SNOOPING:
266 err = br_multicast_toggle_vlan_snooping(br, on, extack);
267 break;
268 case BR_BOOLOPT_MST_ENABLE:
> 269 err = br_mst_set_enabled(br, on, extack);
270 break;
271 default:
272 /* shouldn't be called with unsupported options */
273 WARN_ON(1);
274 break;
275 }
276
277 return err;
278 }
279

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