linux-kernel - Re: [PATCH v4 1/2] console: Move scrollback data into its own struct

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Date:   Thu, 17 Nov 2016 03:38:42 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Manuel Schölling <manuel.schoelling@....de>
Cc:     kbuild-all@...org, plagnioj@...osoft.com, tomi.valkeinen@...com,
        manuel.schoelling@....de, jslaby@...e.cz,
        gregkh@...uxfoundation.org, linux-fbdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, andrey_utkin@...tmail.com
Subject: Re: [PATCH v4 1/2] console: Move scrollback data into its own struct

Hi Manuel,

[auto build test ERROR on linus/master]
[also build test ERROR on v4.9-rc5 next-20161116]
[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/Manuel-Sch-lling/console-Move-scrollback-data-into-its-own-struct/20161117-024343
config: x86_64-kexec (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 >>):

   drivers/video/console/vgacon.c: In function 'vgacon_scrolldelta':
>> drivers/video/console/vgacon.c:279:14: error: 'vgacon_scrollback_cnt' undeclared (first use in this function)
     if (start > vgacon_scrollback_cnt)
                 ^~~~~~~~~~~~~~~~~~~~~
   drivers/video/console/vgacon.c:279:14: note: each undeclared identifier is reported only once for each function it appears in

vim +/vgacon_scrollback_cnt +279 drivers/video/console/vgacon.c

adc80b064 Manuel Schölling   2016-11-16  273  	start = vgacon_scrollback.cur + lines;
15bdab959 Antonino A. Daplas 2006-03-27  274  	end = start + abs(lines);
15bdab959 Antonino A. Daplas 2006-03-27  275  
15bdab959 Antonino A. Daplas 2006-03-27  276  	if (start < 0)
15bdab959 Antonino A. Daplas 2006-03-27  277  		start = 0;
15bdab959 Antonino A. Daplas 2006-03-27  278  
15bdab959 Antonino A. Daplas 2006-03-27 @279  	if (start > vgacon_scrollback_cnt)
15bdab959 Antonino A. Daplas 2006-03-27  280  		start = vgacon_scrollback_cnt;
15bdab959 Antonino A. Daplas 2006-03-27  281  
15bdab959 Antonino A. Daplas 2006-03-27  282  	if (end < 0)

:::::: The code at line 279 was first introduced by commit
:::::: 15bdab959c9bb909c0317480dd9b35748a8f7887 [PATCH] vgacon: Add support for soft scrollback

:::::: TO: Antonino A. Daplas <adaplas@...il.com>
:::::: CC: Linus Torvalds <torvalds@...osdl.org>

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Download attachment ".config.gz" of type "application/gzip" (24225 bytes)