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From: kernel test robot <lkp@intel.com>
To: Cong Wang <cong.wang@bytedance.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
	linux-kernel@vger.kernel.org
Subject: [congwang:sk_data_ready 6/7] net/smc/af_smc.c:254:25: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)'
Date: Fri, 3 Jun 2022 07:57:24 +0800	[thread overview]
Message-ID: <202206030727.VT50e3vR-lkp@intel.com> (raw)

tree:   https://github.com/congwang/linux.git sk_data_ready
head:   9c95f9de643d020bc671ae23c5723d811d6f11f7
commit: 55e436c5d3f795345e5b0d946f98fa64540c496e [6/7] net: make ->sk_data_ready() return int
config: i386-randconfig-a013 (https://download.01.org/0day-ci/archive/20220603/202206030727.VT50e3vR-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project b364c76683f8ef241025a9556300778c07b590c2)
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/congwang/linux/commit/55e436c5d3f795345e5b0d946f98fa64540c496e
        git remote add congwang https://github.com/congwang/linux.git
        git fetch --no-tags congwang sk_data_ready
        git checkout 55e436c5d3f795345e5b0d946f98fa64540c496e
        # 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=i386 SHELL=/bin/bash drivers/nvme/host/ net/smc/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

>> drivers/nvme/host/tcp.c:1610:20: error: incompatible function pointer types assigning to 'void (*)(struct sock *)' from 'int (*)(struct sock *)' [-Werror,-Wincompatible-function-pointer-types]
           queue->data_ready = queue->sock->sk->sk_data_ready;
                             ^ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/nvme/host/tcp.c:1612:33: error: incompatible function pointer types assigning to 'int (*)(struct sock *)' from 'void (struct sock *)' [-Werror,-Wincompatible-function-pointer-types]
           queue->sock->sk->sk_data_ready = nvme_tcp_data_ready;
                                          ^ ~~~~~~~~~~~~~~~~~~~
>> drivers/nvme/host/tcp.c:1644:26: error: incompatible function pointer types assigning to 'int (*)(struct sock *)' from 'void (*)(struct sock *)' [-Werror,-Wincompatible-function-pointer-types]
           sock->sk->sk_data_ready = queue->data_ready;
                                   ^ ~~~~~~~~~~~~~~~~~
   3 errors generated.
--
>> net/smc/af_smc.c:254:25: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
           smc_clcsock_restore_cb(&clcsk->sk_data_ready, &smc->clcsk_data_ready);
                                  ^~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:317:51: note: passing argument to parameter 'target_cb' here
   static inline void smc_clcsock_restore_cb(void (**target_cb)(struct sock *),
                                                     ^
   net/smc/af_smc.c:254:48: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
           smc_clcsock_restore_cb(&clcsk->sk_data_ready, &smc->clcsk_data_ready);
                                                         ^~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:318:16: note: passing argument to parameter 'saved_cb' here
                                             void (**saved_cb)(struct sock *))
                                                     ^
   net/smc/af_smc.c:828:25: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
           smc_clcsock_replace_cb(&clcsk->sk_data_ready, smc_fback_data_ready,
                                  ^~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:306:51: note: passing argument to parameter 'target_cb' here
   static inline void smc_clcsock_replace_cb(void (**target_cb)(struct sock *),
                                                     ^
>> net/smc/af_smc.c:828:48: error: incompatible function pointer types passing 'int (struct sock *)' to parameter of type 'void (*)(struct sock *)' [-Werror,-Wincompatible-function-pointer-types]
           smc_clcsock_replace_cb(&clcsk->sk_data_ready, smc_fback_data_ready,
                                                         ^~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:307:15: note: passing argument to parameter 'new_cb' here
                                             void (*new_cb)(struct sock *),
                                                    ^
   net/smc/af_smc.c:829:11: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
                                  &smc->clcsk_data_ready);
                                  ^~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:308:16: note: passing argument to parameter 'saved_cb' here
                                             void (**saved_cb)(struct sock *))
                                                     ^
   net/smc/af_smc.c:2483:25: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
           smc_clcsock_replace_cb(&smc->clcsock->sk->sk_data_ready,
                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:306:51: note: passing argument to parameter 'target_cb' here
   static inline void smc_clcsock_replace_cb(void (**target_cb)(struct sock *),
                                                     ^
   net/smc/af_smc.c:2484:11: error: incompatible function pointer types passing 'int (struct sock *)' to parameter of type 'void (*)(struct sock *)' [-Werror,-Wincompatible-function-pointer-types]
                                  smc_clcsock_data_ready, &smc->clcsk_data_ready);
                                  ^~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:307:15: note: passing argument to parameter 'new_cb' here
                                             void (*new_cb)(struct sock *),
                                                    ^
   net/smc/af_smc.c:2484:35: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
                                  smc_clcsock_data_ready, &smc->clcsk_data_ready);
                                                          ^~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:308:16: note: passing argument to parameter 'saved_cb' here
                                             void (**saved_cb)(struct sock *))
                                                     ^
   net/smc/af_smc.c:2501:26: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
                   smc_clcsock_restore_cb(&smc->clcsock->sk->sk_data_ready,
                                          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:317:51: note: passing argument to parameter 'target_cb' here
   static inline void smc_clcsock_restore_cb(void (**target_cb)(struct sock *),
                                                     ^
   net/smc/af_smc.c:2502:12: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
                                          &smc->clcsk_data_ready);
                                          ^~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:318:16: note: passing argument to parameter 'saved_cb' here
                                             void (**saved_cb)(struct sock *))
                                                     ^
   10 errors generated.
--
>> net/smc/smc_close.c:218:27: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
                           smc_clcsock_restore_cb(&smc->clcsock->sk->sk_data_ready,
                                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:317:51: note: passing argument to parameter 'target_cb' here
   static inline void smc_clcsock_restore_cb(void (**target_cb)(struct sock *),
                                                     ^
   net/smc/smc_close.c:219:13: error: incompatible pointer types passing 'int (**)(struct sock *)' to parameter of type 'void (**)(struct sock *)' [-Werror,-Wincompatible-pointer-types]
                                                  &smc->clcsk_data_ready);
                                                  ^~~~~~~~~~~~~~~~~~~~~~
   net/smc/smc.h:318:16: note: passing argument to parameter 'saved_cb' here
                                             void (**saved_cb)(struct sock *))
                                                     ^
   2 errors generated.


vim +254 net/smc/af_smc.c

aaa4d33f6da1e1 Karsten Graul 2018-03-16  245  
0558226cebee25 Wen Gu        2022-04-22  246  static void smc_fback_restore_callbacks(struct smc_sock *smc)
0558226cebee25 Wen Gu        2022-04-22  247  {
0558226cebee25 Wen Gu        2022-04-22  248  	struct sock *clcsk = smc->clcsock->sk;
0558226cebee25 Wen Gu        2022-04-22  249  
0558226cebee25 Wen Gu        2022-04-22  250  	write_lock_bh(&clcsk->sk_callback_lock);
0558226cebee25 Wen Gu        2022-04-22  251  	clcsk->sk_user_data = NULL;
0558226cebee25 Wen Gu        2022-04-22  252  
0558226cebee25 Wen Gu        2022-04-22  253  	smc_clcsock_restore_cb(&clcsk->sk_state_change, &smc->clcsk_state_change);
0558226cebee25 Wen Gu        2022-04-22 @254  	smc_clcsock_restore_cb(&clcsk->sk_data_ready, &smc->clcsk_data_ready);
0558226cebee25 Wen Gu        2022-04-22  255  	smc_clcsock_restore_cb(&clcsk->sk_write_space, &smc->clcsk_write_space);
0558226cebee25 Wen Gu        2022-04-22  256  	smc_clcsock_restore_cb(&clcsk->sk_error_report, &smc->clcsk_error_report);
0558226cebee25 Wen Gu        2022-04-22  257  
0558226cebee25 Wen Gu        2022-04-22  258  	write_unlock_bh(&clcsk->sk_callback_lock);
0558226cebee25 Wen Gu        2022-04-22  259  }
0558226cebee25 Wen Gu        2022-04-22  260  

:::::: The code at line 254 was first introduced by commit
:::::: 0558226cebee256aa3f8ec0cc5a800a10bf120a6 net/smc: Fix slab-out-of-bounds issue in fallback

:::::: TO: Wen Gu <guwen@linux.alibaba.com>
:::::: CC: Jakub Kicinski <kuba@kernel.org>

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

                 reply	other threads:[~2022-06-02 23:57 UTC|newest]

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