tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 40354149f4d738dc3492d9998e45b3f02950369a commit: f1383348ad0fe0d568dfd37f2552b0b4f044dbe5 [3546/4328] soc: qcom: smem: validate fields of shared structures config: m68k-allyesconfig (https://download.01.org/0day-ci/archive/20220415/202204152011.PHS6Q52v-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=f1383348ad0fe0d568dfd37f2552b0b4f044dbe5 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout f1383348ad0fe0d568dfd37f2552b0b4f044dbe5 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash drivers/soc/qcom/ mm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) drivers/soc/qcom/smem.c:430:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:430:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:430:16: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:517:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:517:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:517:16: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:537:50: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void * @@ got void [noderef] __iomem * @@ drivers/soc/qcom/smem.c:537:50: sparse: expected void * drivers/soc/qcom/smem.c:537:50: sparse: got void [noderef] __iomem * drivers/soc/qcom/smem.c:698:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_partition_header *phdr @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:698:22: sparse: expected struct smem_partition_header *phdr drivers/soc/qcom/smem.c:698:22: sparse: got void [noderef] __iomem *virt_base >> drivers/soc/qcom/smem.c:702:27: sparse: sparse: cast to restricted __le32 >> drivers/soc/qcom/smem.c:702:27: sparse: sparse: cast to restricted __le32 >> drivers/soc/qcom/smem.c:702:27: sparse: sparse: cast to restricted __le32 >> drivers/soc/qcom/smem.c:702:27: sparse: sparse: cast to restricted __le32 >> drivers/soc/qcom/smem.c:702:27: sparse: sparse: cast to restricted __le32 >> drivers/soc/qcom/smem.c:702:27: sparse: sparse: cast to restricted __le32 drivers/soc/qcom/smem.c:706:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_partition_header *phdr @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:706:22: sparse: expected struct smem_partition_header *phdr drivers/soc/qcom/smem.c:706:22: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:710:27: sparse: sparse: cast to restricted __le32 drivers/soc/qcom/smem.c:710:27: sparse: sparse: cast to restricted __le32 drivers/soc/qcom/smem.c:710:27: sparse: sparse: cast to restricted __le32 drivers/soc/qcom/smem.c:710:27: sparse: sparse: cast to restricted __le32 drivers/soc/qcom/smem.c:710:27: sparse: sparse: cast to restricted __le32 drivers/soc/qcom/smem.c:710:27: sparse: sparse: cast to restricted __le32 drivers/soc/qcom/smem.c:713:24: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:713:24: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:713:24: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:726:30: sparse: sparse: incompatible types in comparison expression (different address spaces): drivers/soc/qcom/smem.c:726:30: sparse: void * drivers/soc/qcom/smem.c:726:30: sparse: void [noderef] __iomem * drivers/soc/qcom/smem.c:747:36: sparse: sparse: subtraction of different types can't work (different address spaces) drivers/soc/qcom/smem.c:756:28: sparse: sparse: subtraction of different types can't work (different address spaces) drivers/soc/qcom/smem.c:765:36: sparse: sparse: subtraction of different types can't work (different address spaces) drivers/soc/qcom/smem.c:780:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:780:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:780:16: sparse: got void [noderef] __iomem *virt_base drivers/soc/qcom/smem.c:813:57: sparse: sparse: restricted __le32 degrades to integer drivers/soc/qcom/smem.c:834:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_partition_header *header @@ got void [noderef] __iomem * @@ drivers/soc/qcom/smem.c:834:16: sparse: expected struct smem_partition_header *header drivers/soc/qcom/smem.c:834:16: sparse: got void [noderef] __iomem * drivers/soc/qcom/smem.c:985:22: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_ptable *ptable @@ got void [noderef] __iomem * @@ drivers/soc/qcom/smem.c:985:22: sparse: expected struct smem_ptable *ptable drivers/soc/qcom/smem.c:985:22: sparse: got void [noderef] __iomem * drivers/soc/qcom/smem.c:1094:16: sparse: sparse: incorrect type in assignment (different address spaces) @@ expected struct smem_header *header @@ got void [noderef] __iomem *virt_base @@ drivers/soc/qcom/smem.c:1094:16: sparse: expected struct smem_header *header drivers/soc/qcom/smem.c:1094:16: sparse: got void [noderef] __iomem *virt_base vim +702 drivers/soc/qcom/smem.c 678 679 /** 680 * qcom_smem_get_free_space() - retrieve amount of free space in a partition 681 * @host: the remote processor identifying a partition, or -1 682 * 683 * To be used by smem clients as a quick way to determine if any new 684 * allocations has been made. 685 */ 686 int qcom_smem_get_free_space(unsigned host) 687 { 688 struct smem_partition *part; 689 struct smem_partition_header *phdr; 690 struct smem_header *header; 691 unsigned ret; 692 693 if (!__smem) 694 return -EPROBE_DEFER; 695 696 if (host < SMEM_HOST_COUNT && __smem->partitions[host].virt_base) { 697 part = &__smem->partitions[host]; 698 phdr = part->virt_base; 699 ret = le32_to_cpu(phdr->offset_free_cached) - 700 le32_to_cpu(phdr->offset_free_uncached); 701 > 702 if (ret > le32_to_cpu(part->size)) 703 return -EINVAL; 704 } else if (__smem->global_partition.virt_base) { 705 part = &__smem->global_partition; 706 phdr = part->virt_base; 707 ret = le32_to_cpu(phdr->offset_free_cached) - 708 le32_to_cpu(phdr->offset_free_uncached); 709 710 if (ret > le32_to_cpu(part->size)) 711 return -EINVAL; 712 } else { 713 header = __smem->regions[0].virt_base; 714 ret = le32_to_cpu(header->available); 715 716 if (ret > __smem->regions[0].size) 717 return -EINVAL; 718 } 719 720 return ret; 721 } 722 EXPORT_SYMBOL(qcom_smem_get_free_space); 723 -- 0-DAY CI Kernel Test Service https://01.org/lkp
