From: kernel test robot <lkp@intel.com>
To: Deepak Kumar Singh <quic_deesin@quicinc.com>
Cc: kbuild-all@lists.01.org,
Linux Memory Management List <linux-mm@kvack.org>,
Bjorn Andersson <bjorn.andersson@linaro.org>
Subject: [linux-next:master 3546/4328] drivers/soc/qcom/smem.c:702:27: sparse: sparse: cast to restricted __le32
Date: Fri, 15 Apr 2022 20:49:49 +0800 [thread overview]
Message-ID: <202204152011.PHS6Q52v-lkp@intel.com> (raw)
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@intel.com/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@intel.com>
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
reply other threads:[~2022-04-15 12:50 UTC|newest]
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