tree: https://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git rtnl head: 81df9f5e047aa0424b954a726c3fc3259be26526 commit: 81df9f5e047aa0424b954a726c3fc3259be26526 [22/22] cfg80211: avoid holding the RTNL when calling the driver config: x86_64-randconfig-m001-20210125 (attached as .config) compiler: gcc-9 (Debian 9.3.0-20) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx> smatch warnings: net/wireless/core.c:1336 cfg80211_register_netdevice() error: uninitialized symbol 'rdev'. vim +/rdev +1336 net/wireless/core.c cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1329 int cfg80211_register_netdevice(struct net_device *dev) cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1330 { cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1331 struct wireless_dev *wdev = dev->ieee80211_ptr; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1332 struct cfg80211_registered_device *rdev; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1333 int ret; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1334 cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1335 ASSERT_RTNL(); 81df9f5e047aa042 Johannes Berg 2021-01-19 @1336 lockdep_assert_held(&rdev->wiphy.mtx); ^^^^^^^^^^^^^^^^ Uninitialized cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1337 cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1338 if (WARN_ON(!wdev)) cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1339 return -EINVAL; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1340 cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1341 rdev = wiphy_to_rdev(wdev->wiphy); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1342 cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1343 lockdep_assert_held(&rdev->wiphy.mtx); cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1344 cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1345 /* we'll take care of this */ cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1346 wdev->registered = true; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1347 ret = register_netdevice(dev); cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1348 if (ret) cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1349 goto out; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1350 cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1351 if (sysfs_create_link(&dev->dev.kobj, &rdev->wiphy.dev.kobj, cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1352 "phy80211")) { cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1353 pr_err("failed to add phy80211 symlink to netdev!\n"); cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1354 unregister_netdevice(dev); cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1355 ret = -EINVAL; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1356 goto out; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1357 } cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1358 cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1359 cfg80211_register_wdev(rdev, wdev); cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1360 ret = 0; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1361 out: cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1362 if (ret) cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1363 wdev->registered = false; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1364 return ret; cf2f4b65e4e9d866 Johannes Berg 2021-01-22 1365 } --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
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