Re: [PATCH net v2 1/2] Revert "coallocate socket_wq with socket itself"

From: kbuild test robot
Date: Wed May 06 2020 - 01:16:58 EST


Hi SeongJae,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on net/master]

url: https://github.com/0day-ci/linux/commits/SeongJae-Park/Revert-the-socket_alloc-life-cycle-change/20200506-032051
base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net.git 755f5738ff981769211a0bfac709d514ef5b9f86
config: x86_64-randconfig-g001-20200505 (attached as .config)
compiler: clang version 11.0.0 (https://github.com/llvm/llvm-project 24b4965ce65b14ead595dcc68add22ba37533207)
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install x86_64 cross compiling tool for clang build
# apt-get install binutils-x86-64-linux-gnu
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64

If you fix the issue, kindly add following tag as appropriate
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

>> net/smc/af_smc.c:473:19: error: member reference type 'struct socket_wq *' is a pointer; did you mean to use '->'?
smc->clcsock->wq.fasync_list =
~~~~~~~~~~~~~~~~^
->
net/smc/af_smc.c:474:25: error: member reference type 'struct socket_wq *' is a pointer; did you mean to use '->'?
smc->sk.sk_socket->wq.fasync_list;
~~~~~~~~~~~~~~~~~~~~~^
->
2 errors generated.

vim +473 net/smc/af_smc.c

0cfdd8f92cac01 Ursula Braun 2017-01-09 466
07603b230895a7 Ursula Braun 2019-04-11 467 static void smc_switch_to_fallback(struct smc_sock *smc)
07603b230895a7 Ursula Braun 2019-04-11 468 {
07603b230895a7 Ursula Braun 2019-04-11 469 smc->use_fallback = true;
07603b230895a7 Ursula Braun 2019-04-11 470 if (smc->sk.sk_socket && smc->sk.sk_socket->file) {
07603b230895a7 Ursula Braun 2019-04-11 471 smc->clcsock->file = smc->sk.sk_socket->file;
07603b230895a7 Ursula Braun 2019-04-11 472 smc->clcsock->file->private_data = smc->clcsock;
67f562e3e14775 Ursula Braun 2020-02-14 @473 smc->clcsock->wq.fasync_list =
67f562e3e14775 Ursula Braun 2020-02-14 474 smc->sk.sk_socket->wq.fasync_list;
07603b230895a7 Ursula Braun 2019-04-11 475 }
07603b230895a7 Ursula Braun 2019-04-11 476 }
07603b230895a7 Ursula Braun 2019-04-11 477

:::::: The code at line 473 was first introduced by commit
:::::: 67f562e3e147750a02b2a91d21a163fc44a1d13e net/smc: transfer fasync_list in case of fallback

:::::: TO: Ursula Braun <ubraun@xxxxxxxxxxxxx>
:::::: CC: David S. Miller <davem@xxxxxxxxxxxxx>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip