Re: [PATCH v24 01/12] Linux Random Number Generator

Stephan Müller
2019-11-12T23:16:33Z

Am Dienstag, 12. November 2019, 23:30:29 CET schrieb kbuild test robot:

Hi kbuild,

> Hi "Stephan,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on char-misc/char-misc-testing]
> [also build test ERROR on v5.4-rc7 next-20191112]
> [if your patch is applied to the wrong git tree, please drop us a note to
> help improve the system. BTW, we also suggest to use '--base' option to
> specify the base tree in git format-patch, please see
> https://stackoverflow.com/a/37406982]
>
> url:
> https://github.com/0day-ci/linux/commits/Stephan-M-ller/dev-random-a-new-ap
> proach-with-full-SP800-90B-compliance/20191113-040847 base:
> https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
> 01b59c763fe2de845b65900485b141fdd7bbf93e config:
> i386-randconfig-f003-201945 (attached as .config)
> compiler: gcc-7 (Debian 7.4.0-14) 7.4.0
> reproduce:
> # save the attached .config to linux build tree
> make ARCH=i386
>
> If you fix the issue, kindly add following tag
> Reported-by: kbuild test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>):
>
> In file included from <command-line>:0:0:
>
> include/linux/lrng.h: In function 'lrng_set_drng_cb':
> >> include/linux/lrng.h:80:61: error: 'EOPNOTSUPP' undeclared (first use in
> >> this function)

I need to include errno.h in lrng.h.

Thank you, it will be fixed in the next installment.

> lrng_set_drng_cb(const struct lrng_crypto_cb *cb) { return -EOPNOTSUPP;
> } ^~~~~~~~~~ include/linux/lrng.h:80:61: note: each undeclared identifier
> is reported only once for each function it appears in
>
> vim +/EOPNOTSUPP +80 include/linux/lrng.h
>
> 74
> 75 /* Register cryptographic backend */
> 76 #ifdef CONFIG_LRNG_DRNG_SWITCH
> 77 int lrng_set_drng_cb(const struct lrng_crypto_cb *cb);
> 78 #else /* CONFIG_LRNG_DRNG_SWITCH */
> 79 static inline int
>
> > 80 lrng_set_drng_cb(const struct lrng_crypto_cb *cb) { return
> > -EOPNOTSUPP; }
> 81 #endif /* CONFIG_LRNG_DRNG_SWITCH */
> 82
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology
> Center https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel
> Corporation

Ciao
Stephan