[cxl-cxl:pending 14/38] drivers/nvdimm/nd.h:67:26: sparse: sparse: cast to restricted __le32

From: kernel test robot
Date: Sat Aug 14 2021 - 05:39:11 EST


tree: https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git pending
head: fa809cc6feedcd2575b63def7135dfaf066266bb
commit: a11d1b4adfef0134a49f00a1b7d2e7e7769a08b0 [14/38] libnvdimm/labels: Introduce label setter helpers
config: x86_64-randconfig-s021-20210814 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-348-gf0e6938b-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git/commit/?id=a11d1b4adfef0134a49f00a1b7d2e7e7769a08b0
git remote add cxl-cxl https://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git
git fetch --no-tags cxl-cxl pending
git checkout a11d1b4adfef0134a49f00a1b7d2e7e7769a08b0
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/

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/nvdimm/label.c: note: in included file (through drivers/nvdimm/nd-core.h):
>> drivers/nvdimm/nd.h:67:26: sparse: sparse: cast to restricted __le32
>> drivers/nvdimm/nd.h:67:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] slot @@ got unsigned int [usertype] @@
drivers/nvdimm/nd.h:67:24: sparse: expected restricted __le32 [usertype] slot
drivers/nvdimm/nd.h:67:24: sparse: got unsigned int [usertype]
>> drivers/nvdimm/nd.h:67:26: sparse: sparse: cast to restricted __le32
>> drivers/nvdimm/nd.h:67:24: sparse: sparse: incorrect type in assignment (different base types) @@ expected restricted __le32 [usertype] slot @@ got unsigned int [usertype] @@
drivers/nvdimm/nd.h:67:24: sparse: expected restricted __le32 [usertype] slot
drivers/nvdimm/nd.h:67:24: sparse: got unsigned int [usertype]

vim +67 drivers/nvdimm/nd.h

63
64 static inline void nsl_set_slot(struct nvdimm_drvdata *ndd,
65 struct nd_namespace_label *nd_label, u32 slot)
66 {
> 67 nd_label->slot = __le32_to_cpu(slot);
68 }
69

---
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Attachment: .config.gz
Description: application/gzip