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

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 <redacted>

All errors (new ones prefixed by >>):

   In file included from <command-line>:0:0:

   include/linux/lrng.h: In function 'lrng_set_drng_cb':

quoted

quoted

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

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Ciao
Stephan