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Tue, 03 May 2022 07:57:27 +0000 Date: Tue, 3 May 2022 15:56:48 +0800 From: kernel test robot To: Cong Wang Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org, linux-kernel@vger.kernel.org Subject: [congwang:sk_data_ready 6/7] drivers/infiniband/sw/siw/siw_cm.c:80:20: error: incompatible function pointer types assigning to 'int (*)(struct sock *)' from 'void (struct sock *)' Message-ID: <202205031550.1bsjlTlO-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://github.com/congwang/linux.git sk_data_ready head: 88034d522dc85744321dba24fc073608055add77 commit: 40fdf7067e658744944a0eeeaf6371220a42b34a [6/7] net: make ->sk_data_ready() return int config: riscv-randconfig-r036-20220501 (https://download.01.org/0day-ci/archive/20220503/202205031550.1bsjlTlO-lkp@intel.com/config) compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 363b3a645a1e30011cc8da624f13dac5fd915628) 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 # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/congwang/linux/commit/40fdf7067e658744944a0eeeaf6371220a42b34a git remote add congwang https://github.com/congwang/linux.git git fetch --no-tags congwang sk_data_ready git checkout 40fdf7067e658744944a0eeeaf6371220a42b34a # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/infiniband/sw/siw/ net/smc/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot All errors (new ones prefixed by >>): >> drivers/infiniband/sw/siw/siw_cm.c:80:20: error: incompatible function pointer types assigning to 'int (*)(struct sock *)' from 'void (struct sock *)' [-Werror,-Wincompatible-function-pointer-types] sk->sk_data_ready = siw_qp_llp_data_ready; ^ ~~~~~~~~~~~~~~~~~~~~~ 1 error generated. -- >> drivers/infiniband/sw/siw/siw_qp.c:93:5: error: conflicting types for 'siw_qp_llp_data_ready' int siw_qp_llp_data_ready(struct sock *sk) ^ drivers/infiniband/sw/siw/siw.h:528:6: note: previous declaration is here void siw_qp_llp_data_ready(struct sock *sk); ^ 1 error generated. -- >> net/smc/af_smc.c:762:39: error: incompatible function pointer types passing 'int (*)(struct sock *)' to parameter of type 'void (*)(struct sock *)' [-Werror,-Wincompatible-function-pointer-types] smc_fback_forward_wakeup(smc, clcsk, smc->clcsk_data_ready); ^~~~~~~~~~~~~~~~~~~~~ net/smc/af_smc.c:724:17: note: passing argument to parameter 'clcsock_callback' here void (*clcsock_callback)(struct sock *sk)) ^ >> net/smc/af_smc.c:819:24: error: incompatible function pointer types assigning to 'int (*)(struct sock *)' from 'void (struct sock *)' [-Werror,-Wincompatible-function-pointer-types] clcsk->sk_data_ready = smc_fback_data_ready; ^ ~~~~~~~~~~~~~~~~~~~~ 2 errors generated. vim +80 drivers/infiniband/sw/siw/siw_cm.c 6c52fdc244b5cc Bernard Metzler 2019-06-20 71 6c52fdc244b5cc Bernard Metzler 2019-06-20 72 static void siw_qp_socket_assoc(struct siw_cep *cep, struct siw_qp *qp) 6c52fdc244b5cc Bernard Metzler 2019-06-20 73 { 6c52fdc244b5cc Bernard Metzler 2019-06-20 74 struct socket *s = cep->sock; 6c52fdc244b5cc Bernard Metzler 2019-06-20 75 struct sock *sk = s->sk; 6c52fdc244b5cc Bernard Metzler 2019-06-20 76 6c52fdc244b5cc Bernard Metzler 2019-06-20 77 write_lock_bh(&sk->sk_callback_lock); 6c52fdc244b5cc Bernard Metzler 2019-06-20 78 6c52fdc244b5cc Bernard Metzler 2019-06-20 79 qp->attrs.sk = s; 6c52fdc244b5cc Bernard Metzler 2019-06-20 @80 sk->sk_data_ready = siw_qp_llp_data_ready; 6c52fdc244b5cc Bernard Metzler 2019-06-20 81 sk->sk_write_space = siw_qp_llp_write_space; 6c52fdc244b5cc Bernard Metzler 2019-06-20 82 6c52fdc244b5cc Bernard Metzler 2019-06-20 83 write_unlock_bh(&sk->sk_callback_lock); 6c52fdc244b5cc Bernard Metzler 2019-06-20 84 } 6c52fdc244b5cc Bernard Metzler 2019-06-20 85 :::::: The code at line 80 was first introduced by commit :::::: 6c52fdc244b5ccc468006fd65a504d4ee33743c7 rdma/siw: connection management :::::: TO: Bernard Metzler :::::: CC: Jason Gunthorpe -- 0-DAY CI Kernel Test Service https://01.org/lkp