From: kernel test robot <lkp@intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: oe-kbuild-all@lists.linux.dev
Subject: [arm-integrator:virt-to-pfn-v6.3-rc3-redux 6/8] fs/cifs/smbdirect.c:2503:40: sparse: sparse: incorrect type in argument 1 (different base types)
Date: Fri, 24 Mar 2023 22:21:01 +0800 [thread overview]
Message-ID: <202303242255.WI4MyXWW-lkp@intel.com> (raw)
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git virt-to-pfn-v6.3-rc3-redux
head: b5fe3402030c1ea066167108866fd21881895594
commit: 1df3431f995d6bb7a731770a7393c3011b52a581 [6/8] ARM: mm: Make virt_to_pfn() a static inline
config: arm-randconfig-s033-20230322 (https://download.01.org/0day-ci/archive/20230324/202303242255.WI4MyXWW-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 12.1.0
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: v0.6.4-39-gce1a6720-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git/commit/?id=1df3431f995d6bb7a731770a7393c3011b52a581
git remote add arm-integrator https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git
git fetch --no-tags arm-integrator virt-to-pfn-v6.3-rc3-redux
git checkout 1df3431f995d6bb7a731770a7393c3011b52a581
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash fs/cifs/ fs/netfs/
If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202303242255.WI4MyXWW-lkp@intel.com/
sparse warnings: (new ones prefixed by >>)
>> fs/cifs/smbdirect.c:2503:40: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const *p @@ got unsigned long [assigned] kaddr @@
fs/cifs/smbdirect.c:2503:40: sparse: expected void const *p
fs/cifs/smbdirect.c:2503:40: sparse: got unsigned long [assigned] kaddr
--
fs/cifs/smb2ops.c: note: in included file:
>> fs/cifs/cifsglob.h:2216:29: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const *p @@ got unsigned long [assigned] addr @@
fs/cifs/cifsglob.h:2216:29: sparse: expected void const *p
fs/cifs/cifsglob.h:2216:29: sparse: got unsigned long [assigned] addr
>> fs/cifs/cifsglob.h:2216:29: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const *p @@ got unsigned long [assigned] addr @@
fs/cifs/cifsglob.h:2216:29: sparse: expected void const *p
fs/cifs/cifsglob.h:2216:29: sparse: got unsigned long [assigned] addr
--
>> fs/netfs/iterator.c:243:40: sparse: sparse: incorrect type in argument 1 (different base types) @@ expected void const *p @@ got unsigned long [assigned] kaddr @@
fs/netfs/iterator.c:243:40: sparse: expected void const *p
fs/netfs/iterator.c:243:40: sparse: got unsigned long [assigned] kaddr
vim +2503 fs/cifs/smbdirect.c
e5fbdde4301711 David Howells 2022-10-27 2465
e5fbdde4301711 David Howells 2022-10-27 2466 /*
e5fbdde4301711 David Howells 2022-10-27 2467 * Extract fragments from a KVEC-class iterator and add them to an RDMA list.
e5fbdde4301711 David Howells 2022-10-27 2468 * This can deal with vmalloc'd buffers as well as kmalloc'd or static buffers.
e5fbdde4301711 David Howells 2022-10-27 2469 * The pages are not pinned.
e5fbdde4301711 David Howells 2022-10-27 2470 */
e5fbdde4301711 David Howells 2022-10-27 2471 static ssize_t smb_extract_kvec_to_rdma(struct iov_iter *iter,
e5fbdde4301711 David Howells 2022-10-27 2472 struct smb_extract_to_rdma *rdma,
e5fbdde4301711 David Howells 2022-10-27 2473 ssize_t maxsize)
e5fbdde4301711 David Howells 2022-10-27 2474 {
e5fbdde4301711 David Howells 2022-10-27 2475 const struct kvec *kv = iter->kvec;
e5fbdde4301711 David Howells 2022-10-27 2476 unsigned long start = iter->iov_offset;
e5fbdde4301711 David Howells 2022-10-27 2477 unsigned int i;
e5fbdde4301711 David Howells 2022-10-27 2478 ssize_t ret = 0;
e5fbdde4301711 David Howells 2022-10-27 2479
e5fbdde4301711 David Howells 2022-10-27 2480 for (i = 0; i < iter->nr_segs; i++) {
e5fbdde4301711 David Howells 2022-10-27 2481 struct page *page;
e5fbdde4301711 David Howells 2022-10-27 2482 unsigned long kaddr;
e5fbdde4301711 David Howells 2022-10-27 2483 size_t off, len, seg;
e5fbdde4301711 David Howells 2022-10-27 2484
e5fbdde4301711 David Howells 2022-10-27 2485 len = kv[i].iov_len;
e5fbdde4301711 David Howells 2022-10-27 2486 if (start >= len) {
e5fbdde4301711 David Howells 2022-10-27 2487 start -= len;
e5fbdde4301711 David Howells 2022-10-27 2488 continue;
e5fbdde4301711 David Howells 2022-10-27 2489 }
e5fbdde4301711 David Howells 2022-10-27 2490
e5fbdde4301711 David Howells 2022-10-27 2491 kaddr = (unsigned long)kv[i].iov_base + start;
e5fbdde4301711 David Howells 2022-10-27 2492 off = kaddr & ~PAGE_MASK;
e5fbdde4301711 David Howells 2022-10-27 2493 len = min_t(size_t, maxsize, len - start);
e5fbdde4301711 David Howells 2022-10-27 2494 kaddr &= PAGE_MASK;
e5fbdde4301711 David Howells 2022-10-27 2495
e5fbdde4301711 David Howells 2022-10-27 2496 maxsize -= len;
e5fbdde4301711 David Howells 2022-10-27 2497 do {
e5fbdde4301711 David Howells 2022-10-27 2498 seg = min_t(size_t, len, PAGE_SIZE - off);
e5fbdde4301711 David Howells 2022-10-27 2499
e5fbdde4301711 David Howells 2022-10-27 2500 if (is_vmalloc_or_module_addr((void *)kaddr))
e5fbdde4301711 David Howells 2022-10-27 2501 page = vmalloc_to_page((void *)kaddr);
e5fbdde4301711 David Howells 2022-10-27 2502 else
e5fbdde4301711 David Howells 2022-10-27 @2503 page = virt_to_page(kaddr);
e5fbdde4301711 David Howells 2022-10-27 2504
e5fbdde4301711 David Howells 2022-10-27 2505 if (!smb_set_sge(rdma, page, off, seg))
e5fbdde4301711 David Howells 2022-10-27 2506 return -EIO;
e5fbdde4301711 David Howells 2022-10-27 2507
e5fbdde4301711 David Howells 2022-10-27 2508 ret += seg;
e5fbdde4301711 David Howells 2022-10-27 2509 len -= seg;
e5fbdde4301711 David Howells 2022-10-27 2510 kaddr += PAGE_SIZE;
e5fbdde4301711 David Howells 2022-10-27 2511 off = 0;
e5fbdde4301711 David Howells 2022-10-27 2512 } while (len > 0 && rdma->nr_sge < rdma->max_sge);
e5fbdde4301711 David Howells 2022-10-27 2513
e5fbdde4301711 David Howells 2022-10-27 2514 if (rdma->nr_sge >= rdma->max_sge || maxsize <= 0)
e5fbdde4301711 David Howells 2022-10-27 2515 break;
e5fbdde4301711 David Howells 2022-10-27 2516 start = 0;
e5fbdde4301711 David Howells 2022-10-27 2517 }
e5fbdde4301711 David Howells 2022-10-27 2518
e5fbdde4301711 David Howells 2022-10-27 2519 return ret;
e5fbdde4301711 David Howells 2022-10-27 2520 }
e5fbdde4301711 David Howells 2022-10-27 2521
:::::: The code at line 2503 was first introduced by commit
:::::: e5fbdde430171175f32094c8059eea0d0e2487ae cifs: Add a function to build an RDMA SGE list from an iterator
:::::: TO: David Howells <dhowells@redhat.com>
:::::: CC: Steve French <stfrench@microsoft.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests
reply other threads:[~2023-03-24 14:21 UTC|newest]
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