tree: https://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git for-next head: 81b4d4f98d74affef406b70d2f161bc3edd70d7a commit: 92f82ba6f9eef1f45f34bd36f43b83d7fd3e9eed [79/92] mips: separate extable.h, switch module.h to it config: mips-db1xxx_defconfig (attached as .config) compiler: mipsel-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705 reproduce: wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 92f82ba6f9eef1f45f34bd36f43b83d7fd3e9eed # save the attached .config to linux build tree make.cross ARCH=mips All errors (new ones prefixed by >>): drivers/video/fbdev/au1200fb.c: In function 'au1200fb_ioctl': >> drivers/video/fbdev/au1200fb.c:1427:7: error: implicit declaration of function 'copy_from_user' [-Werror=implicit-function-declaration] if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) ^~~~~~~~~~~~~~ >> drivers/video/fbdev/au1200fb.c:1475:9: error: implicit declaration of function 'copy_to_user' [-Werror=implicit-function-declaration] val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); ^~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/copy_from_user +1427 drivers/video/fbdev/au1200fb.c f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1421 plane = fbinfo2index(info); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1422 print_dbg("au1200fb: ioctl %d on plane %d\n", cmd, plane); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1423 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1424 if (cmd == AU1200_LCD_FB_IOCTL) { f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1425 struct au1200_lcd_iodata_t iodata; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1426 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 @1427 if (copy_from_user(&iodata, (void __user *) arg, sizeof(iodata))) f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1428 return -EFAULT; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1429 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1430 print_dbg("FB IOCTL called\n"); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1431 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1432 switch (iodata.subcmd) { f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1433 case AU1200_LCD_SET_SCREEN: f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1434 print_dbg("AU1200_LCD_SET_SCREEN\n"); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1435 set_global(cmd, &iodata.global); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1436 break; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1437 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1438 case AU1200_LCD_GET_SCREEN: f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1439 print_dbg("AU1200_LCD_GET_SCREEN\n"); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1440 get_global(cmd, &iodata.global); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1441 break; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1442 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1443 case AU1200_LCD_SET_WINDOW: f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1444 print_dbg("AU1200_LCD_SET_WINDOW\n"); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1445 set_window(plane, &iodata.window); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1446 break; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1447 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1448 case AU1200_LCD_GET_WINDOW: f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1449 print_dbg("AU1200_LCD_GET_WINDOW\n"); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1450 get_window(plane, &iodata.window); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1451 break; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1452 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1453 case AU1200_LCD_SET_PANEL: f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1454 print_dbg("AU1200_LCD_SET_PANEL\n"); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1455 if ((iodata.global.panel_choice >= 0) && f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1456 (iodata.global.panel_choice < f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1457 NUM_PANELS)) f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1458 { f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1459 struct panel_settings *newpanel; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1460 panel_index = iodata.global.panel_choice; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1461 newpanel = &known_lcd_panels[panel_index]; a9b71a8f drivers/video/au1200fb.c Manuel Lauss 2011-11-10 1462 au1200_setpanel(newpanel, fbdev->pd); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1463 } f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1464 break; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1465 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1466 case AU1200_LCD_GET_PANEL: f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1467 print_dbg("AU1200_LCD_GET_PANEL\n"); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1468 iodata.global.panel_choice = panel_index; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1469 break; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1470 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1471 default: f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1472 return -EINVAL; f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1473 } f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1474 f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 @1475 val = copy_to_user((void __user *) arg, &iodata, sizeof(iodata)); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1476 if (val) { f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1477 print_dbg("error: could not copy %d bytes\n", val); f95ec3c6 drivers/video/au1200fb.c Ralf Baechle 2006-03-27 1478 return -EFAULT; :::::: The code at line 1427 was first introduced by commit :::::: f95ec3c6df271ae4e6290cd6b95c18a009c76dc9 [PATCH] au1200fb: Alchemy Au1200 framebuffer driver :::::: TO: Ralf Baechle <ralf@xxxxxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxx> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
Attachment:
.config.gz
Description: application/gzip
