Hi Frank, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on nfsd/nfsd-next] [also build test WARNING on nfs/linux-next linus/master v5.6-rc5 next-20200311] [cannot apply to cel/for-next] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system. BTW, we also suggest to use '--base' option to specify the base tree in git format-patch, please see https://stackoverflow.com/a/37406982] url: https://github.com/0day-ci/linux/commits/Frank-van-der-Linden/server-side... base: git://linux-nfs.org/~bfields/linux.git nfsd-next reproduce: # apt-get install sparse # sparse version: v0.6.1-174-g094d5a94-dirty make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) fs/nfsd/vfs.c:2108:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected int err @@ got restricted __int err @@ fs/nfsd/vfs.c:2108:21: sparse: expected int err fs/nfsd/vfs.c:2108:21: sparse: got restricted __be32 fs/nfsd/vfs.c:2112:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __be32 @@ got be32 @@ fs/nfsd/vfs.c:2112:16: sparse: expected restricted __be32 fs/nfsd/vfs.c:2112:16: sparse: got int err fs/nfsd/vfs.c:2121:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected int err @@ got restricted __int err @@ fs/nfsd/vfs.c:2121:13: sparse: expected int err fs/nfsd/vfs.c:2121:13: sparse: got restricted __be32 fs/nfsd/vfs.c:2123:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __be32 @@ got be32 @@ fs/nfsd/vfs.c:2123:24: sparse: expected restricted __be32 fs/nfsd/vfs.c:2123:24: sparse: got int err fs/nfsd/vfs.c:2128:21: sparse: sparse: incorrect type in assignment (different base types) @@ expected int err @@ got restricted __int err @@ fs/nfsd/vfs.c:2128:21: sparse: expected int err fs/nfsd/vfs.c:2128:21: sparse: got restricted __be32 fs/nfsd/vfs.c:2132:16: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __be32 @@ got be32 @@ fs/nfsd/vfs.c:2132:16: sparse: expected restricted __be32 fs/nfsd/vfs.c:2132:16: sparse: got int err fs/nfsd/vfs.c:2148:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected int err @@ got restricted __int err @@ fs/nfsd/vfs.c:2148:13: sparse: expected int err fs/nfsd/vfs.c:2148:13: sparse: got restricted __be32 fs/nfsd/vfs.c:2150:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __be32 @@ got be32 @@ fs/nfsd/vfs.c:2150:24: sparse: expected restricted __be32 fs/nfsd/vfs.c:2150:24: sparse: got int err fs/nfsd/vfs.c:2172:13: sparse: sparse: incorrect type in assignment (different base types) @@ expected int err @@ got restricted __int err @@ fs/nfsd/vfs.c:2172:13: sparse: expected int err fs/nfsd/vfs.c:2172:13: sparse: got restricted __be32 fs/nfsd/vfs.c:2174:24: sparse: sparse: incorrect type in return expression (different base types) @@ expected restricted __be32 @@ got be32 @@ fs/nfsd/vfs.c:2174:24: sparse: expected restricted __be32 fs/nfsd/vfs.c:2174:24: sparse: got int err vim +2102 fs/nfsd/vfs.c 2094 2095 __be32 2096 nfsd_getxattr(struct svc_rqst *rqstp, struct svc_fh *fhp, char *name, 2097 void *buf, int *lenp) 2098 { 2099 ssize_t lerr; 2100 int err; 2101 2103 if (err) 2105 2106 lerr = vfs_getxattr(fhp->fh_dentry, name, buf, *lenp); 2107 if (lerr < 0) 2108 err = nfsd_xattr_errno(lerr); 2109 else 2110 *lenp = lerr; 2111 2112 return err; 2113 } 2114 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org