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From: kernel test robot <lkp@intel.com>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Chuck Lever <chuck.lever@oracle.com>, NeilBrown <neil@brown.name>,
	Jeff Layton <jlayton@kernel.org>,
	linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
	llvm@lists.linux.dev
Cc: oe-kbuild-all@lists.linux.dev,
	Olga Kornievskaia <okorniev@redhat.com>,
	Dai Ngo <Dai.Ngo@oracle.com>, Tom Talpey <tom@talpey.com>,
	Trond Myklebust <trondmy@kernel.org>,
	Anna Schumaker <anna@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <nick.desaulniers+lkml@gmail.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Subject: Re: [PATCH v1 1/1] sunrpc: Fix compilation error (`make W=1`) when dprintk() is no-op
Date: Wed, 4 Feb 2026 18:26:14 +0800	[thread overview]
Message-ID: <202602041851.8AI0nchL-lkp@intel.com> (raw)
In-Reply-To: <20260204010415.2149607-1-andriy.shevchenko@linux.intel.com>

Hi Andy,

kernel test robot noticed the following build warnings:

[auto build test WARNING on trondmy-nfs/linux-next]
[also build test WARNING on linus/master v6.19-rc8 next-20260203]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Andy-Shevchenko/sunrpc-Fix-compilation-error-make-W-1-when-dprintk-is-no-op/20260204-091033
base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
patch link:    https://lore.kernel.org/r/20260204010415.2149607-1-andriy.shevchenko%40linux.intel.com
patch subject: [PATCH v1 1/1] sunrpc: Fix compilation error (`make W=1`) when dprintk() is no-op
config: powerpc-randconfig-r131-20260204 (https://download.01.org/0day-ci/archive/20260204/202602041851.8AI0nchL-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260204/202602041851.8AI0nchL-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202602041851.8AI0nchL-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
>> fs/nfs/getroot.c:90:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/getroot.c:90:17: sparse:    void
   fs/nfs/getroot.c:90:17: sparse:    int
   fs/nfs/getroot.c:98:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/getroot.c:98:17: sparse:    void
   fs/nfs/getroot.c:98:17: sparse:    int
   fs/nfs/getroot.c:114:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/getroot.c:114:17: sparse:    void
   fs/nfs/getroot.c:114:17: sparse:    int
--
   fs/nfs/namespace.c:381:1: sparse: sparse: bad integer constant expression
   fs/nfs/namespace.c:381:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/namespace.c:382:1: sparse: sparse: bad integer constant expression
   fs/nfs/namespace.c:382:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
>> fs/nfs/namespace.c:304:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/namespace.c:304:17: sparse:    void
   fs/nfs/namespace.c:304:17: sparse:    int
--
   fs/nfs/nfs4super.c:313:1: sparse: sparse: bad integer constant expression
   fs/nfs/nfs4super.c:313:1: sparse: sparse: static assertion failed: "MODULE_INFO(description, ...) contains embedded NUL byte"
   fs/nfs/nfs4super.c:314:1: sparse: sparse: bad integer constant expression
   fs/nfs/nfs4super.c:314:1: sparse: sparse: static assertion failed: "MODULE_INFO(file, ...) contains embedded NUL byte"
   fs/nfs/nfs4super.c:314:1: sparse: sparse: bad integer constant expression
   fs/nfs/nfs4super.c:314:1: sparse: sparse: static assertion failed: "MODULE_INFO(license, ...) contains embedded NUL byte"
>> fs/nfs/nfs4super.c:232:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/nfs4super.c:232:17: sparse:    void
   fs/nfs/nfs4super.c:232:17: sparse:    int
   fs/nfs/nfs4super.c:255:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/nfs4super.c:255:17: sparse:    void
   fs/nfs/nfs4super.c:255:17: sparse:    int
--
   fs/nfs/super.c:1436:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1436:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1437:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1437:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1438:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1438:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
   fs/nfs/super.c:1440:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1440:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1441:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1441:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1442:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1442:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1444:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1444:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
   fs/nfs/super.c:1446:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1446:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1447:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1447:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
   fs/nfs/super.c:1449:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1449:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1450:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1450:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
   fs/nfs/super.c:1452:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1452:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1453:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1453:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
   fs/nfs/super.c:1455:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1455:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
   fs/nfs/super.c:1457:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1457:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1458:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1458:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
   fs/nfs/super.c:1462:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1462:1: sparse: sparse: static assertion failed: "MODULE_INFO(parmtype, ...) contains embedded NUL byte"
   fs/nfs/super.c:1463:1: sparse: sparse: bad integer constant expression
   fs/nfs/super.c:1463:1: sparse: sparse: static assertion failed: "MODULE_INFO(parm, ...) contains embedded NUL byte"
>> fs/nfs/super.c:1325:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/super.c:1325:17: sparse:    void
   fs/nfs/super.c:1325:17: sparse:    int
   fs/nfs/super.c:1351:17: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/super.c:1351:17: sparse:    void
   fs/nfs/super.c:1351:17: sparse:    int
--
   fs/nfs/fs_context.c:1773:1: sparse: sparse: bad integer constant expression
   fs/nfs/fs_context.c:1773:1: sparse: sparse: static assertion failed: "MODULE_INFO(alias, ...) contains embedded NUL byte"
   fs/nfs/fs_context.c:1785:1: sparse: sparse: bad integer constant expression
   fs/nfs/fs_context.c:1785:1: sparse: sparse: static assertion failed: "MODULE_INFO(alias, ...) contains embedded NUL byte"
   fs/nfs/fs_context.c:1786:1: sparse: sparse: bad integer constant expression
   fs/nfs/fs_context.c:1786:1: sparse: sparse: static assertion failed: "MODULE_INFO(alias, ...) contains embedded NUL byte"
>> fs/nfs/fs_context.c:1119:9: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/fs_context.c:1119:9: sparse:    void
   fs/nfs/fs_context.c:1119:9: sparse:    int
   fs/nfs/fs_context.c:1122:9: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/fs_context.c:1122:9: sparse:    void
   fs/nfs/fs_context.c:1122:9: sparse:    int
   fs/nfs/fs_context.c:1125:9: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/fs_context.c:1125:9: sparse:    void
   fs/nfs/fs_context.c:1125:9: sparse:    int
   fs/nfs/fs_context.c:1590:9: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/fs_context.c:1590:9: sparse:    void
   fs/nfs/fs_context.c:1590:9: sparse:    int
   fs/nfs/fs_context.c:1604:9: sparse: sparse: incompatible types in conditional expression (different base types):
   fs/nfs/fs_context.c:1604:9: sparse:    void
   fs/nfs/fs_context.c:1604:9: sparse:    int

vim +90 fs/nfs/getroot.c

b09b9417d074e0 Trond Myklebust 2007-10-25  63  
54ceac45159860 David Howells   2006-08-22  64  /*
6d26c5e4d83cd3 Li Lingfeng     2024-08-24  65   * get a root dentry from the root filehandle
54ceac45159860 David Howells   2006-08-22  66   */
62a55d088cd87d Scott Mayhew    2019-12-10  67  int nfs_get_root(struct super_block *s, struct fs_context *fc)
54ceac45159860 David Howells   2006-08-22  68  {
62a55d088cd87d Scott Mayhew    2019-12-10  69  	struct nfs_fs_context *ctx = nfs_fc2context(fc);
eae00c5d6e48cc Scott Mayhew    2021-06-22  70  	struct nfs_server *server = NFS_SB(s), *clone_server;
54ceac45159860 David Howells   2006-08-22  71  	struct nfs_fsinfo fsinfo;
62a55d088cd87d Scott Mayhew    2019-12-10  72  	struct dentry *root;
54ceac45159860 David Howells   2006-08-22  73  	struct inode *inode;
62a55d088cd87d Scott Mayhew    2019-12-10  74  	char *name;
62a55d088cd87d Scott Mayhew    2019-12-10  75  	int error = -ENOMEM;
779df6a5480f13 Scott Mayhew    2020-03-03  76  	unsigned long kflags = 0, kflags_out = 0;
54ceac45159860 David Howells   2006-08-22  77  
62a55d088cd87d Scott Mayhew    2019-12-10  78  	name = kstrdup(fc->source, GFP_KERNEL);
b1942c5f8cf3be Al Viro         2011-03-16  79  	if (!name)
62a55d088cd87d Scott Mayhew    2019-12-10  80  		goto out;
b1942c5f8cf3be Al Viro         2011-03-16  81  
54ceac45159860 David Howells   2006-08-22  82  	/* get the actual root for this mount */
d755ad8dc752d4 Anna Schumaker  2021-10-22  83  	fsinfo.fattr = nfs_alloc_fattr_with_label(server);
62a55d088cd87d Scott Mayhew    2019-12-10  84  	if (fsinfo.fattr == NULL)
62a55d088cd87d Scott Mayhew    2019-12-10  85  		goto out_name;
54ceac45159860 David Howells   2006-08-22  86  
62a55d088cd87d Scott Mayhew    2019-12-10  87  	error = server->nfs_client->rpc_ops->getroot(server, ctx->mntfh, &fsinfo);
54ceac45159860 David Howells   2006-08-22  88  	if (error < 0) {
54ceac45159860 David Howells   2006-08-22  89  		dprintk("nfs_get_root: getattr error = %d\n", -error);
ce8866f0913ff1 Scott Mayhew    2019-12-10 @90  		nfs_errorf(fc, "NFS: Couldn't getattr on root");

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

      parent reply	other threads:[~2026-02-04 10:27 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-02-04  1:04 [PATCH v1 1/1] sunrpc: Fix compilation error (`make W=1`) when dprintk() is no-op Andy Shevchenko
2026-02-04  1:09 ` Andy Shevchenko
2026-02-04  7:53   ` Geert Uytterhoeven
2026-02-04  9:06     ` Andy Shevchenko
2026-02-04  9:47       ` Andy Shevchenko
2026-02-04  6:48 ` kernel test robot
2026-02-04  6:59 ` kernel test robot
2026-02-04  7:12 ` kernel test robot
2026-02-04  7:48 ` kernel test robot
2026-02-04 10:26 ` kernel test robot [this message]

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