drivers/video/fbdev/kyro/fbdev.c:725:23: sparse: expected void

From: kernel test robot
Date: Mon Jun 29 2020 - 15:16:59 EST

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tree: # apt-get install sparse
# sparse version: v0.6.2-3-gfa153 git checkout 80591e61a0f7e88deaad # save the attached .config COMPILER_INSTALL_PATH=$HOME/0day
If you fix the issue, kindly add Reported-by: kernel test robot <lkp@xx

sparse warnings: (new ones prefixed
drivers/video/fbdev/kyro/fbdev.c:725:23: >> drivers/video/fbdev/kyro/fbdev.c:725:23: drivers/video/fbdev/kyro/fbdev.c:725:23: sparse:
vim +725 drivers/video/fbdev/kyro/fbdev.c
^1da177e4c3f41 drivers/video/kyro/fbdev.c 48c68c4f1b5424 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c a26968df0110bc drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c a26968df0110bc drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c a26968df0110bc drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c a26968df0110bc drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c 31b6780c15a4e3 drivers/video/kyro/fbdev.c 31b6780c15a4e3 drivers/video/kyro/fbdev.c 31b6780c15a4e3 drivers/video/kyro/fbdev.c 31b6780c15a4e3 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c 9e517ac88b2443 drivers/video/fbdev/kyro/fbdev.c a26968df0110bc drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c ^1da177e4c3f41 drivers/video/kyro/fbdev.c
:::::: The code at line 725 was :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
:::::: TO: Linus Torvalds <torvalds@xx :::::: CC: Linus Torvalds <torvalds@xx
---
0-DAY CI Kernel Test Service, Intel .config.g Description: application/gzip Sean Christopherson: "Re: [PATCH] KVM: X86: Fix async pf caused null-ptr-deref" kernel test robot: "drivers/pci/endpoint/functions/pci-epf-test.c:288:24: sparse: sparse: incorrect type in argument 1 (different address spaces)" [ date ] [ thread ] [ subject ] [ author ] git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master 2894c68 kbuild: tell sparse about the $ARCH (attached as .config) href="https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross">https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross 962-dirty a69844e4a31280c4a38f to linux build tree COMPILER=gcc-9.3.0 make.cross C= CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=s390 following tag as appropriate xxxxxxx> by >>) sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *p @@ got char [noderef] <asn:2> *screen_base @@ sparse: expected void *pgot char [noderef] <asn:2> *screen_base Linus Torvalds 2005-04-16 661 Greg Kroah-Hartman 2012-12-21 662 static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent) Linus Torvalds 2005-04-16 663 { Linus Torvalds 2005-04-16 664 struct fb_info *info; Antonino A. Daplas 2006-01-09 665 struct kyrofb_info *currentpar; Linus Torvalds 2005-04-16 666 unsigned long size; Linus Torvalds 2005-04-16 667 int err; Linus Torvalds 2005-04-16 668 Linus Torvalds 2005-04-16 669 if ((err = pci_enable_device(pdev))) { Linus Torvalds 2005-04-16 670 printk(KERN_WARNING "kyrofb: Can't enable pdev: %d\n", err); Linus Torvalds 2005-04-16 671 return err; Linus Torvalds 2005-04-16 672 } Linus Torvalds 2005-04-16 673 Antonino A. Daplas 2006-01-09 674 info = framebuffer_alloc(sizeof(struct kyrofb_info), &pdev->dev); Linus Torvalds 2005-04-16 675 if (!info) Linus Torvalds 2005-04-16 676 return -ENOMEM; Linus Torvalds 2005-04-16 677 Antonino A. Daplas 2006-01-09 678 currentpar = info->par; Linus Torvalds 2005-04-16 679 Linus Torvalds 2005-04-16 680 kyro_fix.smem_start = pci_resource_start(pdev, 0); Linus Torvalds 2005-04-16 681 kyro_fix.smem_len = pci_resource_len(pdev, 0); Linus Torvalds 2005-04-16 682 kyro_fix.mmio_start = pci_resource_start(pdev, 1); Linus Torvalds 2005-04-16 683 kyro_fix.mmio_len = pci_resource_len(pdev, 1); Linus Torvalds 2005-04-16 684 Linus Torvalds 2005-04-16 685 currentpar->regbase = deviceInfo.pSTGReg = Linus Torvalds 2005-04-16 686 ioremap_nocache(kyro_fix.mmio_start, kyro_fix.mmio_len); Luis R. Rodriguez 2015-08-24 687 if (!currentpar->regbase) Luis R. Rodriguez 2015-08-24 688 goto out_free_fb; Linus Torvalds 2005-04-16 689 Luis R. Rodriguez 2015-08-24 690 info->screen_base = pci_ioremap_wc_bar(pdev, 0); Luis R. Rodriguez 2015-08-24 691 if (!info->screen_base) Luis R. Rodriguez 2015-08-24 692 goto out_unmap_regs; Linus Torvalds 2005-04-16 693 Linus Torvalds 2005-04-16 694 if (!nomtrr) Luis R. Rodriguez 2015-08-24 695 currentpar->wc_cookie = arch_phys_wc_add(kyro_fix.smem_start, Luis R. Rodriguez 2015-08-24 696 kyro_fix.smem_len); Linus Torvalds 2005-04-16 697 Linus Torvalds 2005-04-16 698 kyro_fix.ypanstep = nopan ? 0 : 1; Linus Torvalds 2005-04-16 699 kyro_fix.ywrapstep = nowrap ? 0 : 1; Linus Torvalds 2005-04-16 700 Linus Torvalds 2005-04-16 701 info->fbops = &kyrofb_ops; Linus Torvalds 2005-04-16 702 info->fix = kyro_fix; Antonino A. Daplas 2006-01-09 703 info->pseudo_palette = currentpar->palette; Linus Torvalds 2005-04-16 704 info->flags = FBINFO_DEFAULT; Linus Torvalds 2005-04-16 705 Linus Torvalds 2005-04-16 706 SetCoreClockPLL(deviceInfo.pSTGReg, pdev); Linus Torvalds 2005-04-16 707 Linus Torvalds 2005-04-16 708 deviceInfo.ulNextFreeVidMem = 0; Linus Torvalds 2005-04-16 709 deviceInfo.ulOverlayOffset = 0; Linus Torvalds 2005-04-16 710 Linus Torvalds 2005-04-16 711 /* This should give a reasonable default video mode */ Linus Torvalds 2005-04-16 712 if (!fb_find_mode(&info->var, info, mode_option, kyro_modedb, Linus Torvalds 2005-04-16 713 NUM_TOTAL_MODES, &kyro_modedb[VMODE_1024_768_75], 32)) Linus Torvalds 2005-04-16 714 info->var = kyro_var; Linus Torvalds 2005-04-16 715 Linus Torvalds 2005-04-16 716 fb_alloc_cmap(&info->cmap, 256, 0); Linus Torvalds 2005-04-16 717 Linus Torvalds 2005-04-16 718 kyrofb_set_par(info); Linus Torvalds 2005-04-16 719 kyrofb_check_var(&info->var, info); Linus Torvalds 2005-04-16 720 Linus Torvalds 2005-04-16 721 size = get_line_length(info->var.xres_virtual, Linus Torvalds 2005-04-16 722 info->var.bits_per_pixel); Linus Torvalds 2005-04-16 723 size *= info->var.yres_virtual; Linus Torvalds 2005-04-16 724 Linus Torvalds 2005-04-16 @725 fb_memset(info->screen_base, 0, size); Linus Torvalds 2005-04-16 726 Linus Torvalds 2005-04-16 727 if (register_framebuffer(info) < 0) Linus Torvalds 2005-04-16 728 goto out_unmap; Linus Torvalds 2005-04-16 729 Joe Perches 2013-09-19 730 fb_info(info, "%s frame buffer device, at %dx%d@%d using %ldk/%ldk of VRAM\n", Joe Perches 2013-09-19 731 info->fix.id, Joe Perches 2013-09-19 732 info->var.xres, info->var.yres, info->var.bits_per_pixel, Joe Perches 2013-09-19 733 size >> 10, (unsigned long)info->fix.smem_len >> 10); Linus Torvalds 2005-04-16 734 Linus Torvalds 2005-04-16 735 pci_set_drvdata(pdev, info); Linus Torvalds 2005-04-16 736 Linus Torvalds 2005-04-16 737 return 0; Linus Torvalds 2005-04-16 738 Linus Torvalds 2005-04-16 739 out_unmap: Linus Torvalds 2005-04-16 740 iounmap(info->screen_base); Luis R. Rodriguez 2015-08-24 741 out_unmap_regs: Luis R. Rodriguez 2015-08-24 742 iounmap(currentpar->regbase); Luis R. Rodriguez 2015-08-24 743 out_free_fb: Antonino A. Daplas 2006-01-09 744 framebuffer_release(info); Linus Torvalds 2005-04-16 745 Linus Torvalds 2005-04-16 746 return -EINVAL; Linus Torvalds 2005-04-16 747 } Linus Torvalds 2005-04-16 748 first introduced by commit Linux-2.6.12-rc2 xxxxxxxxxxxxx> xxxxxxxxxxxxx> Corporation .org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx">https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx z

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