Hi, Thank you for the patch! Yet something to improve: [auto build test ERROR on cifs/for-next] [also build test ERROR on v5.11 next-20210223] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch] url: https://github.com/0day-ci/linux/commits/dingsenjie-163-com/fs-cifs-simplify-the-return-expression-of-cifs_swn_auth_info_krb/20210224-122502 base: git://git.samba.org/sfrench/cifs-2.6.git for-next config: s390-randconfig-r022-20210223 (attached as .config) compiler: s390-linux-gcc (GCC) 9.3.0 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/0day-ci/linux/commit/2b5765f734346617361817a3b6cefea209078b3f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review dingsenjie-163-com/fs-cifs-simplify-the-return-expression-of-cifs_swn_auth_info_krb/20210224-122502 git checkout 2b5765f734346617361817a3b6cefea209078b3f # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=s390 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): fs/cifs/cifs_swn.c: In function 'cifs_swn_auth_info_krb': >> fs/cifs/cifs_swn.c:37:9: error: expected expression before '=' token 37 | return = nla_put_flag(skb, CIFS_GENL_ATTR_SWN_KRB_AUTH); | ^ fs/cifs/cifs_swn.c:38:1: error: control reaches end of non-void function [-Werror=return-type] 38 | } | ^ cc1: some warnings being treated as errors vim +37 fs/cifs/cifs_swn.c 34 35 static int cifs_swn_auth_info_krb(struct cifs_tcon *tcon, struct sk_buff *skb) 36 { > 37 return = nla_put_flag(skb, CIFS_GENL_ATTR_SWN_KRB_AUTH); 38 } 39 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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