Messages in this thread | | | Date | Thu, 17 Mar 2022 19:26:01 +0800 | From | kernel test robot <> | Subject | [martineau:kbuild-mptcp-enabled 7/19] net/mptcp/pm_netlink.c:397:23: warning: variable 'pernet' set but not used |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/martineau/linux.git kbuild-mptcp-enabled head: 1842e2df09dac50790d935c8db37aae18f7ad5ab commit: 11b70f473e519350157fa74fefbdb6d12a99a199 [7/19] mptcp: handle local addrs announced by userspace PMs config: um-i386_defconfig (https://download.01.org/0day-ci/archive/20220317/202203171940.XUdtPaZP-lkp@intel.com/config) compiler: gcc-9 (Ubuntu 9.4.0-1ubuntu1~20.04) 9.4.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/martineau/linux.git/commit/?id=11b70f473e519350157fa74fefbdb6d12a99a199 git remote add martineau https://git.kernel.org/pub/scm/linux/kernel/git/martineau/linux.git git fetch --no-tags martineau kbuild-mptcp-enabled git checkout 11b70f473e519350157fa74fefbdb6d12a99a199 # save the config file to linux build tree mkdir build_dir make W=1 O=build_dir ARCH=um SUBARCH=i386 SHELL=/bin/bash net/mptcp/
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
net/mptcp/pm_netlink.c: In function 'mptcp_free_local_addr_list': >> net/mptcp/pm_netlink.c:397:23: warning: variable 'pernet' set but not used [-Wunused-but-set-variable] 397 | struct pm_nl_pernet *pernet; | ^~~~~~ At top level: net/mptcp/pm_netlink.c:902:12: warning: 'mptcp_userspace_pm_append_new_local_addr' defined but not used [-Wunused-function] 902 | static int mptcp_userspace_pm_append_new_local_addr(struct mptcp_sock *msk, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +/pernet +397 net/mptcp/pm_netlink.c
392 393 void mptcp_free_local_addr_list(struct mptcp_sock *msk) 394 { 395 struct mptcp_pm_addr_entry *entry, *tmp; 396 struct sock *sk = (struct sock *)msk; > 397 struct pm_nl_pernet *pernet; 398 LIST_HEAD(free_list); 399 400 if (!mptcp_pm_is_userspace(msk)) 401 return; 402 403 pernet = net_generic(sock_net(sk), pm_nl_pernet_id); 404 405 mptcp_data_lock(sk); 406 list_splice_init(&msk->local_addr_list, &free_list); 407 mptcp_data_unlock(sk); 408 409 list_for_each_entry_safe(entry, tmp, &free_list, list) { 410 sock_kfree_s(sk, entry, sizeof(*entry)); 411 } 412 } 413
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