* [linux-next:master 3083/3437] drivers/video/fbdev/hyperv_fb.c:1083:28: sparse: sparse: incorrect type in argument 1 (different address spaces)
@ 2025-02-14 7:17 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-02-14 7:17 UTC (permalink / raw)
To: Michael Kelley; +Cc: oe-kbuild-all, Wei Liu, Saurabh Sengar
tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head: 7b7a883c7f4de1ee5040bd1c32aabaafde54d209
commit: 2a1852f9062bcda671a85dfde52b870fd4122a36 [3083/3437] fbdev: hyperv_fb: iounmap() the correct memory when removing a device
config: i386-randconfig-r123-20250214 (https://download.01.org/0day-ci/archive/20250214/202502141545.Vrmh7ZlT-lkp@intel.com/config)
compiler: clang version 19.1.3 (https://github.com/llvm/llvm-project ab51eccf88f5321e7c60591c5546b254b6afab99)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250214/202502141545.Vrmh7ZlT-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202502141545.Vrmh7ZlT-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
drivers/video/fbdev/hyperv_fb.c:1006:43: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] __iomem *screen_base @@ got unsigned char *mmio_vp @@
drivers/video/fbdev/hyperv_fb.c:1006:43: sparse: expected char [noderef] __iomem *screen_base
drivers/video/fbdev/hyperv_fb.c:1006:43: sparse: got unsigned char *mmio_vp
drivers/video/fbdev/hyperv_fb.c:1046:25: sparse: sparse: cast removes address space '__iomem' of expression
drivers/video/fbdev/hyperv_fb.c:1050:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] __iomem *screen_base @@ got unsigned char *dio_vp @@
drivers/video/fbdev/hyperv_fb.c:1050:27: sparse: expected char [noderef] __iomem *screen_base
drivers/video/fbdev/hyperv_fb.c:1050:27: sparse: got unsigned char *dio_vp
>> drivers/video/fbdev/hyperv_fb.c:1083:28: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got unsigned char *mmio_vp @@
drivers/video/fbdev/hyperv_fb.c:1083:28: sparse: expected void volatile [noderef] __iomem *addr
drivers/video/fbdev/hyperv_fb.c:1083:28: sparse: got unsigned char *mmio_vp
vim +1083 drivers/video/fbdev/hyperv_fb.c
1075
1076 /* Release the framebuffer */
1077 static void hvfb_putmem(struct hv_device *hdev, struct fb_info *info)
1078 {
1079 struct hvfb_par *par = info->par;
1080
1081 if (par->need_docopy) {
1082 vfree(par->dio_vp);
> 1083 iounmap(par->mmio_vp);
1084 vmbus_free_mmio(par->mem->start, screen_fb_size);
1085 } else {
1086 hvfb_release_phymem(hdev, info->fix.smem_start,
1087 screen_fb_size);
1088 }
1089
1090 par->mem = NULL;
1091 }
1092
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2025-02-14 7:17 [linux-next:master 3083/3437] drivers/video/fbdev/hyperv_fb.c:1083:28: sparse: sparse: incorrect type in argument 1 (different address spaces) kernel test robot
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