tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 0c7d7d1fada70420851b63f2e2669cb4976a303b commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces date: 2 weeks ago config: x86_64-randconfig-s021-20200704 (attached as .config) compiler: gcc-9 (Debian 9.3.0-14) 9.3.0 reproduce: # apt-get install sparse # sparse version: v0.6.2-3-gfa153962-dirty git checkout 670d0a4b10704667765f7d18f7592993d02783aa # save the attached .config to linux build tree make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <[email protected]> sparse warnings: (new ones prefixed by >>) drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected char [noderef] __iomem *screen_base @@ got void * @@ drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: expected char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:354:27: sparse: got void * >> drivers/video/fbdev/atmel_lcdfb.c:362:9: sparse: sparse: incorrect type in >> argument 1 (different address spaces) @@ expected void *s @@ got >> char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:362:9: sparse: expected void *s drivers/video/fbdev/atmel_lcdfb.c:362:9: sparse: got char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: expected void *cpu_addr drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: got char [noderef] __iomem *screen_base drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: sparse: incorrect type in argument 3 (different address spaces) @@ expected void *cpu_addr @@ got char [noderef] __iomem *screen_base @@ drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: expected void *cpu_addr drivers/video/fbdev/atmel_lcdfb.c:333:59: sparse: got char [noderef] __iomem *screen_base -- >> drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: sparse: incorrect type >> in argument 2 (different address spaces) @@ expected void const *from @@ >> got void [noderef] __iomem *gp_regs @@ drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: expected void const *from drivers/video/fbdev/geode/lxfb_ops.c:604:9: sparse: got void [noderef] __iomem *gp_regs >> drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: sparse: incorrect type >> in argument 2 (different address spaces) @@ expected void const *from @@ >> got void [noderef] __iomem *dc_regs @@ drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: expected void const *from drivers/video/fbdev/geode/lxfb_ops.c:605:9: sparse: got void [noderef] __iomem *dc_regs >> drivers/video/fbdev/geode/lxfb_ops.c:606:9: sparse: sparse: incorrect type >> in argument 2 (different address spaces) @@ expected void const *from @@ >> got void [noderef] __iomem *vp_regs @@ drivers/video/fbdev/geode/lxfb_ops.c:606:9: sparse: expected void const *from drivers/video/fbdev/geode/lxfb_ops.c:606:9: sparse: got void [noderef] __iomem *vp_regs >> drivers/video/fbdev/geode/lxfb_ops.c:607:9: sparse: sparse: incorrect type >> in argument 2 (different address spaces) @@ expected void const *from @@ >> got void [noderef] __iomem * @@ drivers/video/fbdev/geode/lxfb_ops.c:607:9: sparse: expected void const *from drivers/video/fbdev/geode/lxfb_ops.c:607:9: sparse: got void [noderef] __iomem * drivers/video/fbdev/geode/lxfb_ops.c:635:9: sparse: sparse: incorrect type in argument 2 (different address spaces) @@ expected void const *from @@ got void [noderef] __iomem * @@ drivers/video/fbdev/geode/lxfb_ops.c:635:9: sparse: expected void const *from drivers/video/fbdev/geode/lxfb_ops.c:635:9: sparse: got void [noderef] __iomem * >> drivers/video/fbdev/geode/lxfb_ops.c:761:9: sparse: sparse: incorrect type >> in argument 1 (different address spaces) @@ expected void *to @@ got >> void [noderef] __iomem * @@ drivers/video/fbdev/geode/lxfb_ops.c:761:9: sparse: expected void *to drivers/video/fbdev/geode/lxfb_ops.c:761:9: sparse: got void [noderef] __iomem * -- drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1483:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected int enum vchiq_status ( *__pu_val )( ... ) @@ got void [noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1483:13: sparse: expected int enum vchiq_status ( *__pu_val )( ... ) >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1483:13: >> sparse: got void [noderef] __user * >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1485:13: >> sparse: sparse: incorrect type in assignment (different address spaces) @@ >> expected void *__pu_val @@ got void [noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1485:13: sparse: expected void *__pu_val drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1485:13: sparse: got void [noderef] __user * drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1611:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *__pu_val @@ got void [noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1611:13: sparse: expected void *__pu_val drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1611:13: sparse: got void [noderef] __user * drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1613:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *__pu_val @@ got void [noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1613:13: sparse: expected void *__pu_val drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1613:13: sparse: got void [noderef] __user * >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1688:13: >> sparse: sparse: incorrect type in assignment (different address spaces) @@ >> expected struct vchiq_completion_data *__pu_val @@ got void [noderef] >> __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1688:13: sparse: expected struct vchiq_completion_data *__pu_val drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1688:13: sparse: got void [noderef] __user * drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1691:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void **__pu_val @@ got void [noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1691:13: sparse: expected void **__pu_val drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1691:13: sparse: got void [noderef] __user * drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1738:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct vchiq_completion_data *__pu_val @@ got struct vchiq_completion_data [noderef] __user *[assigned] completion @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1738:13: sparse: expected struct vchiq_completion_data *__pu_val >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1738:13: >> sparse: got struct vchiq_completion_data [noderef] __user *[assigned] >> completion >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1768:59: >> sparse: sparse: incorrect type in argument 1 (different address spaces) @@ >> expected void [noderef] __user *uptr @@ got struct vchiq_header >> *[addressable] header @@ >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1768:59: >> sparse: expected void [noderef] __user *uptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1768:59: sparse: got struct vchiq_header *[addressable] header >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1770:45: >> sparse: sparse: incorrect type in argument 1 (different address spaces) @@ >> expected void [noderef] __user *uptr @@ got void *[addressable] >> service_userdata @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1770:45: sparse: expected void [noderef] __user *uptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1770:45: sparse: got void *[addressable] service_userdata >> drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1772:45: >> sparse: sparse: incorrect type in argument 1 (different address spaces) @@ >> expected void [noderef] __user *uptr @@ got void *[addressable] >> bulk_userdata @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1772:45: sparse: expected void [noderef] __user *uptr drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1772:45: sparse: got void *[addressable] bulk_userdata drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1826:13: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected void *__pu_val @@ got void [noderef] __user * @@ drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1826:13: sparse: expected void *__pu_val drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c:1826:13: sparse: got void [noderef] __user * vim +362 drivers/video/fbdev/atmel_lcdfb.c 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 336 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 337 /** 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 338 * atmel_lcdfb_alloc_video_memory - Allocate framebuffer memory 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 339 * @sinfo: the frame buffer to allocate memory for 1d01e83557105e drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 340 * 1d01e83557105e drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 341 * This function is called only from the atmel_lcdfb_probe() 1d01e83557105e drivers/video/atmel_lcdfb.c Krzysztof Helt 2009-07-08 342 * so no locking by fb_info->mm_lock around smem_len setting is needed. 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 343 */ 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 344 static int atmel_lcdfb_alloc_video_memory(struct atmel_lcdfb_info *sinfo) 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 345 { 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 346 struct fb_info *info = sinfo->info; 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 347 struct fb_var_screeninfo *var = &info->var; ea757acad5a518 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 348 unsigned int smem_len; 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 349 ea757acad5a518 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 350 smem_len = (var->xres_virtual * var->yres_virtual 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 351 * ((var->bits_per_pixel + 7) / 8)); ea757acad5a518 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-08-12 352 info->fix.smem_len = max(smem_len, sinfo->smem_len); 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 353 f6e45661f9be54 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 354 info->screen_base = dma_alloc_wc(info->device, info->fix.smem_len, f6e45661f9be54 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 355 (dma_addr_t *)&info->fix.smem_start, f6e45661f9be54 drivers/video/fbdev/atmel_lcdfb.c Luis R. Rodriguez 2016-01-22 356 GFP_KERNEL); 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 357 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 358 if (!info->screen_base) { 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 359 return -ENOMEM; 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 360 } 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 361 01d3a5e7fab773 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 @362 memset(info->screen_base, 0, info->fix.smem_len); 01d3a5e7fab773 drivers/video/atmel_lcdfb.c Haavard Skinnemoen 2008-04-28 363 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 364 return 0; 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 365 } 14340586148e7c drivers/video/atmel_lcdfb.c Nicolas Ferre 2007-05-10 366 :::::: The code at line 362 was first introduced by commit :::::: 01d3a5e7fab7732cfc5d5d4533e9378ea435295a atmel_lcdfb: don't initialize a pre-allocated framebuffer :::::: TO: Haavard Skinnemoen <[email protected]> :::::: CC: Linus Torvalds <[email protected]> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/[email protected]
.config.gz
Description: application/gzip
