linux-kernel - Re: [PATCH] afs: use random UUID

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Date:   Thu, 12 Jan 2017 17:27:12 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     kbuild-all@...org, David Howells <dhowells@...hat.com>,
        Tina Ruchandani <ruchandani.tina@...il.com>,
        linux-afs@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] afs: use random UUID

Hi Arnd,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.10-rc3 next-20170111]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Arnd-Bergmann/afs-use-random-UUID/20170112-153644
config: x86_64-randconfig-in0-01121653 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   fs/afs/main.c: In function 'afs_init':
>> fs/afs/main.c:45:2: error: implicit declaration of function 'generate_random_uuid' [-Werror=implicit-function-declaration]
     generate_random_uuid((unsigned char *)&afs_uuid);
     ^~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/generate_random_uuid +45 fs/afs/main.c

    39	static int __init afs_init(void)
    40	{
    41		int ret;
    42	
    43		printk(KERN_INFO "kAFS: Red Hat AFS client v0.1 registering.\n");
    44	
  > 45		generate_random_uuid((unsigned char *)&afs_uuid);
    46	
    47		/* create workqueue */
    48		ret = -ENOMEM;

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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