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Message-ID: <202210231542.VaYuLM1g-lkp@intel.com>
Date:   Sun, 23 Oct 2022 15:42:46 +0800
From:   kernel test robot <lkp@...el.com>
To:     Cong Wang <cong.wang@...edance.com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [congwang:sk_data_ready 3/5]
 drivers/infiniband/hw/erdma/erdma_cm.c:29:27: error: assignment to 'int
 (*)(struct sock *)' from incompatible pointer type 'void (*)(struct sock *)'

tree:   https://github.com/congwang/linux.git sk_data_ready
head:   bb8a86d60640b8fd2c6e1aded75a6fd4fb1a12bb
commit: 3ba0543ec847018a646299899181ea98fad162e2 [3/5] net: make sk->sk_data_ready() return int
config: x86_64-allyesconfig
compiler: gcc-11 (Debian 11.3.0-8) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/congwang/linux/commit/3ba0543ec847018a646299899181ea98fad162e2
        git remote add congwang https://github.com/congwang/linux.git
        git fetch --no-tags congwang sk_data_ready
        git checkout 3ba0543ec847018a646299899181ea98fad162e2
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

   drivers/infiniband/hw/erdma/erdma_cm.c: In function 'erdma_sk_assign_cm_upcalls':
>> drivers/infiniband/hw/erdma/erdma_cm.c:29:27: error: assignment to 'int (*)(struct sock *)' from incompatible pointer type 'void (*)(struct sock *)' [-Werror=incompatible-pointer-types]
      29 |         sk->sk_data_ready = erdma_cm_llp_data_ready;
         |                           ^
   drivers/infiniband/hw/erdma/erdma_cm.c: In function 'erdma_sk_save_upcalls':
>> drivers/infiniband/hw/erdma/erdma_cm.c:40:28: error: assignment to 'void (*)(struct sock *)' from incompatible pointer type 'int (*)(struct sock *)' [-Werror=incompatible-pointer-types]
      40 |         cep->sk_data_ready = sk->sk_data_ready;
         |                            ^
   drivers/infiniband/hw/erdma/erdma_cm.c: In function 'erdma_sk_restore_upcalls':
   drivers/infiniband/hw/erdma/erdma_cm.c:48:27: error: assignment to 'int (*)(struct sock *)' from incompatible pointer type 'void (*)(struct sock *)' [-Werror=incompatible-pointer-types]
      48 |         sk->sk_data_ready = cep->sk_data_ready;
         |                           ^
   cc1: some warnings being treated as errors


vim +29 drivers/infiniband/hw/erdma/erdma_cm.c

920d93eac8b9777 Cheng Xu 2022-07-27  24  
920d93eac8b9777 Cheng Xu 2022-07-27  25  static void erdma_sk_assign_cm_upcalls(struct sock *sk)
920d93eac8b9777 Cheng Xu 2022-07-27  26  {
920d93eac8b9777 Cheng Xu 2022-07-27  27  	write_lock_bh(&sk->sk_callback_lock);
920d93eac8b9777 Cheng Xu 2022-07-27  28  	sk->sk_state_change = erdma_cm_llp_state_change;
920d93eac8b9777 Cheng Xu 2022-07-27 @29  	sk->sk_data_ready = erdma_cm_llp_data_ready;
920d93eac8b9777 Cheng Xu 2022-07-27  30  	sk->sk_error_report = erdma_cm_llp_error_report;
920d93eac8b9777 Cheng Xu 2022-07-27  31  	write_unlock_bh(&sk->sk_callback_lock);
920d93eac8b9777 Cheng Xu 2022-07-27  32  }
920d93eac8b9777 Cheng Xu 2022-07-27  33  
920d93eac8b9777 Cheng Xu 2022-07-27  34  static void erdma_sk_save_upcalls(struct sock *sk)
920d93eac8b9777 Cheng Xu 2022-07-27  35  {
920d93eac8b9777 Cheng Xu 2022-07-27  36  	struct erdma_cep *cep = sk_to_cep(sk);
920d93eac8b9777 Cheng Xu 2022-07-27  37  
920d93eac8b9777 Cheng Xu 2022-07-27  38  	write_lock_bh(&sk->sk_callback_lock);
920d93eac8b9777 Cheng Xu 2022-07-27  39  	cep->sk_state_change = sk->sk_state_change;
920d93eac8b9777 Cheng Xu 2022-07-27 @40  	cep->sk_data_ready = sk->sk_data_ready;
920d93eac8b9777 Cheng Xu 2022-07-27  41  	cep->sk_error_report = sk->sk_error_report;
920d93eac8b9777 Cheng Xu 2022-07-27  42  	write_unlock_bh(&sk->sk_callback_lock);
920d93eac8b9777 Cheng Xu 2022-07-27  43  }
920d93eac8b9777 Cheng Xu 2022-07-27  44  

:::::: The code at line 29 was first introduced by commit
:::::: 920d93eac8b97778fef48f34f10e58ddf870fc2a RDMA/erdma: Add connection management (CM) support

:::::: TO: Cheng Xu <chengyou@...ux.alibaba.com>
:::::: CC: Jason Gunthorpe <jgg@...dia.com>

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

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