fs/nfs/nfs4super.c:232:17: sparse: sparse: incompatible types in conditional expression (different base types):
From: kernel test robot
Date: Thu May 14 2026 - 01:04:02 EST
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: e1914add2799225a87502051415fc5c32aeb02ae
commit: 6f57293abb8d087de830dd3f02e66d94b3e59973 sunrpc: Fix compilation error (`make W=1`) when dprintk() is no-op
date: 6 weeks ago
config: x86_64-randconfig-121-20260514 (https://download.01.org/0day-ci/archive/20260514/202605141218.uA0wk544-lkp@xxxxxxxxx/config)
compiler: gcc-14 (Debian 14.2.0-19) 14.2.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260514/202605141218.uA0wk544-lkp@xxxxxxxxx/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
| Fixes: 6f57293abb8d ("sunrpc: Fix compilation error (`make W=1`) when dprintk() is no-op")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202605141218.uA0wk544-lkp@xxxxxxxxx/
sparse warnings: (new ones prefixed by >>)
>> 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/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: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/fs_context.c:1120:9: sparse: sparse: incompatible types in conditional expression (different base types):
fs/nfs/fs_context.c:1120:9: sparse: void
fs/nfs/fs_context.c:1120:9: sparse: int
fs/nfs/fs_context.c:1123:9: sparse: sparse: incompatible types in conditional expression (different base types):
fs/nfs/fs_context.c:1123:9: sparse: void
fs/nfs/fs_context.c:1123:9: sparse: int
fs/nfs/fs_context.c:1126:9: sparse: sparse: incompatible types in conditional expression (different base types):
fs/nfs/fs_context.c:1126:9: sparse: void
fs/nfs/fs_context.c:1126:9: sparse: int
fs/nfs/fs_context.c:1591:9: sparse: sparse: incompatible types in conditional expression (different base types):
fs/nfs/fs_context.c:1591:9: sparse: void
fs/nfs/fs_context.c:1591:9: sparse: int
fs/nfs/fs_context.c:1605:9: sparse: sparse: incompatible types in conditional expression (different base types):
fs/nfs/fs_context.c:1605:9: sparse: void
fs/nfs/fs_context.c:1605:9: sparse: int
--
fs/nfs/super.c:1170:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct rpc_xprt *xprt1 @@ got struct rpc_xprt [noderef] __rcu *cl_xprt @@
fs/nfs/super.c:1170:49: sparse: expected struct rpc_xprt *xprt1
fs/nfs/super.c:1170:49: sparse: got struct rpc_xprt [noderef] __rcu *cl_xprt
fs/nfs/super.c:1171:49: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected struct rpc_xprt *xprt2 @@ got struct rpc_xprt [noderef] __rcu *cl_xprt @@
fs/nfs/super.c:1171:49: sparse: expected struct rpc_xprt *xprt2
fs/nfs/super.c:1171:49: sparse: got struct rpc_xprt [noderef] __rcu *cl_xprt
>> fs/nfs/super.c:1307:17: sparse: sparse: incompatible types in conditional expression (different base types):
fs/nfs/super.c:1307:17: sparse: void
fs/nfs/super.c:1307:17: sparse: int
fs/nfs/super.c:1333:17: sparse: sparse: incompatible types in conditional expression (different base types):
fs/nfs/super.c:1333:17: sparse: void
fs/nfs/super.c:1333:17: sparse: int
vim +232 fs/nfs/nfs4super.c
fbdefd64428113 Bryan Schumaker 2012-07-16 217
f2aedb713c2844 David Howells 2019-12-10 218 int nfs4_try_get_tree(struct fs_context *fc)
fbdefd64428113 Bryan Schumaker 2012-07-16 219 {
f2aedb713c2844 David Howells 2019-12-10 220 struct nfs_fs_context *ctx = nfs_fc2context(fc);
f2aedb713c2844 David Howells 2019-12-10 221 int err;
fbdefd64428113 Bryan Schumaker 2012-07-16 222
f2aedb713c2844 David Howells 2019-12-10 223 dfprintk(MOUNT, "--> nfs4_try_get_tree()\n");
fbdefd64428113 Bryan Schumaker 2012-07-16 224
f2aedb713c2844 David Howells 2019-12-10 225 /* We create a mount for the server's root, walk to the requested
f2aedb713c2844 David Howells 2019-12-10 226 * location and then create another mount for that.
f2aedb713c2844 David Howells 2019-12-10 227 */
62a55d088cd87d Scott Mayhew 2019-12-10 228 err= do_nfs4_mount(nfs4_create_server(fc),
f2aedb713c2844 David Howells 2019-12-10 229 fc, ctx->nfs_server.hostname,
5eb005caf5383d David Howells 2019-12-10 230 ctx->nfs_server.export_path);
f2aedb713c2844 David Howells 2019-12-10 231 if (err) {
c98e9daa59a611 Scott Mayhew 2021-01-05 @232 nfs_ferrorf(fc, MOUNT, "NFS4: Couldn't follow remote path");
f2aedb713c2844 David Howells 2019-12-10 233 dfprintk(MOUNT, "<-- nfs4_try_get_tree() = %d [error]\n", err);
f2aedb713c2844 David Howells 2019-12-10 234 } else {
f2aedb713c2844 David Howells 2019-12-10 235 dfprintk(MOUNT, "<-- nfs4_try_get_tree() = 0\n");
f2aedb713c2844 David Howells 2019-12-10 236 }
f2aedb713c2844 David Howells 2019-12-10 237 return err;
fbdefd64428113 Bryan Schumaker 2012-07-16 238 }
fbdefd64428113 Bryan Schumaker 2012-07-16 239
:::::: The code at line 232 was first introduced by commit
:::::: c98e9daa59a611ff4e163689815f40380c912415 NFS: Adjust fs_context error logging
:::::: TO: Scott Mayhew <smayhew@xxxxxxxxxx>
:::::: CC: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
--
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