Hi Manuel, [auto build test WARNING on linus/master] [also build test WARNING 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-randconfig-ne0-11170334 (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 warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/list.h:4, from include/linux/module.h:9, from drivers/video/console/vgacon.c:36: 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) ^ include/linux/compiler.h:149:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> drivers/video/console/vgacon.c:279:2: note: in expansion of macro 'if' 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 if (start > vgacon_scrollback_cnt) ^ include/linux/compiler.h:149:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> drivers/video/console/vgacon.c:279:2: note: in expansion of macro 'if' if (start > vgacon_scrollback_cnt) ^~ vim +/if +279 drivers/video/console/vgacon.c adc80b064 Manuel Schölling 2016-11-16 263 if (!vgacon_scrollback.data) 97293de97 Jiri Slaby 2016-06-23 264 return; 15bdab959 Antonino A. Daplas 2006-03-27 265 adc80b064 Manuel Schölling 2016-11-16 266 if (!vgacon_scrollback.save) { 15bdab959 Antonino A. Daplas 2006-03-27 267 vgacon_cursor(c, CM_ERASE); 15bdab959 Antonino A. Daplas 2006-03-27 268 vgacon_save_screen(c); adc80b064 Manuel Schölling 2016-11-16 269 vgacon_scrollback.save = 1; 15bdab959 Antonino A. Daplas 2006-03-27 270 } 15bdab959 Antonino A. Daplas 2006-03-27 271 adc80b064 Manuel Schölling 2016-11-16 272 vgacon_scrollback.restore = 0; 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) 15bdab959 Antonino A. Daplas 2006-03-27 283 end = 0; 15bdab959 Antonino A. Daplas 2006-03-27 284 15bdab959 Antonino A. Daplas 2006-03-27 285 if (end > vgacon_scrollback_cnt) 15bdab959 Antonino A. Daplas 2006-03-27 286 end = vgacon_scrollback_cnt; 15bdab959 Antonino A. Daplas 2006-03-27 287 :::::: The code at line 279 was first introduced by commit :::::: 15bdab959c9bb909c0317480dd9b35748a8f7887 [PATCH] vgacon: Add support for soft scrollback :::::: TO: Antonino A. Daplas <adaplas@xxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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