Re: [PATCH 3/3] s390: char: make slp_ctl explicitly non-modular

From: kbuild test robot
Date: Sat Oct 29 2016 - 18:52:16 EST


Hi Paul,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.9-rc3 next-20161028]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url: https://github.com/0day-ci/linux/commits/Paul-Gortmaker/lightnvm-make-core-c-explicitly-non-modular/20161030-044459
config: s390-default_defconfig (attached as .config)
compiler: s390x-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=s390

All error/warnings (new ones prefixed by >>):

>> drivers/s390/char/sclp_ctl.c:129:1: warning: data definition has no type or storage class
builtin_misc_device(sclp_ctl_device);
^~~~~~~~~~~~~~~~~~~
>> drivers/s390/char/sclp_ctl.c:129:1: error: type defaults to 'int' in declaration of 'builtin_misc_device' [-Werror=implicit-int]
>> drivers/s390/char/sclp_ctl.c:129:1: warning: parameter names (without types) in function declaration
>> drivers/s390/char/sclp_ctl.c:124:26: warning: 'sclp_ctl_device' defined but not used [-Wunused-variable]
static struct miscdevice sclp_ctl_device = {
^~~~~~~~~~~~~~~
cc1: some warnings being treated as errors

vim +129 drivers/s390/char/sclp_ctl.c

118 .llseek = no_llseek,
119 };
120
121 /*
122 * Misc device definition
123 */
> 124 static struct miscdevice sclp_ctl_device = {
125 .minor = MISC_DYNAMIC_MINOR,
126 .name = "sclp",
127 .fops = &sclp_ctl_fops,
128 };
> 129 builtin_misc_device(sclp_ctl_device);

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