Messages in this thread |  | | Date | Sat, 23 Apr 2022 20:24:32 +0800 | From | kernel test robot <> | Subject | [ammarfaizi2-block:dhowells/linux-fs/netfs-maple 28/44] fs/netfs/crypto.c:76:31: sparse: sparse: incompatible types in comparison expression (different type sizes): |
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tree: https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/netfs-maple head: 931e50676c6598d0eda1954ead465519ff91874d commit: 777536e6af57becf14b8f4f34007ed3e3a95c911 [28/44] netfs: Perform content encryption config: arc-randconfig-s032-20220422 (https://download.01.org/0day-ci/archive/20220423/202204232031.0Hw9DMix-lkp@intel.com/config) compiler: arc-elf-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://github.com/ammarfaizi2/linux-block/commit/777536e6af57becf14b8f4f34007ed3e3a95c911 git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block git fetch --no-tags ammarfaizi2-block dhowells/linux-fs/netfs-maple git checkout 777536e6af57becf14b8f4f34007ed3e3a95c911 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arc SHELL=/bin/bash fs/netfs/
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 >>) >> fs/netfs/crypto.c:76:31: sparse: sparse: incompatible types in comparison expression (different type sizes): >> fs/netfs/crypto.c:76:31: sparse: unsigned int * >> fs/netfs/crypto.c:76:31: sparse: unsigned long *
vim +76 fs/netfs/crypto.c
45 46 /* 47 * Populate a scatterlist from folios in an xarray. 48 */ 49 static int netfs_xarray_to_sglist(struct xarray *xa, loff_t pos, size_t len, 50 struct scatterlist *sg, unsigned int n_sg) 51 { 52 struct scatterlist *p = sg; 53 struct folio *folio = NULL; 54 size_t seg, offset, skip = 0; 55 loff_t start = pos; 56 pgoff_t index = start >> PAGE_SHIFT; 57 int j; 58 59 XA_STATE(xas, xa, index); 60 61 sg_init_table(sg, n_sg); 62 63 rcu_read_lock(); 64 65 xas_for_each(&xas, folio, ULONG_MAX) { 66 if (xas_retry(&xas, folio)) 67 continue; 68 if (WARN_ON(xa_is_value(folio)) || WARN_ON(folio_test_hugetlb(folio))) 69 break; 70 for (j = (folio_index(folio) < index) ? index - folio_index(folio) : 0; 71 j < folio_nr_pages(folio); j++ 72 ) { 73 struct page *subpage = folio_file_page(folio, j); 74 75 offset = (pos + skip) & ~PAGE_MASK; > 76 seg = min(len, PAGE_SIZE - offset); 77 78 sg_set_page(p++, subpage, seg, offset); 79 80 len -= seg; 81 skip += seg; 82 if (len == 0) 83 break; 84 } 85 if (len == 0) 86 break; 87 } 88 89 rcu_read_unlock(); 90 if (len > 0) { 91 kdebug("*** Insufficient source (%zx)", len); 92 //WARN_ON(len > 0); 93 return -EIO; 94 } 95 96 sg_mark_end(p - 1); 97 return p - sg; 98 } 99
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