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authorJeff Layton <jlayton@redhat.com>2013-02-15 13:36:34 -0500
committerJ. Bruce Fields <bfields@redhat.com>2013-02-17 11:02:23 -0500
commit56edc86b5a72bdbc86358e57fb09165136baf0b8 (patch)
tree90fbf1e11f144f0bee1e17beb632bdc8681e5110 /fs/nfsd
parentcc630d9f476445927fca599f81182c7f06f79058 (diff)
nfsd: fix compiler warning about ambiguous types in nfsd_cache_csum
kbuild test robot says: tree: git://linux-nfs.org/~bfields/linux.git for-3.9 head: deb4534f4f3be7aea7d9d24c3b0d58f370cbf9ef commit: 01a7decf75930925322c5efc87af0b5e58eb8650 [32/44] nfsd: keep a checksum of the first 256 bytes of request config: i386-randconfig-x088 (attached as .config) All warnings: fs/nfsd/nfscache.c: In function 'nfsd_cache_csum': >> fs/nfsd/nfscache.c:266:9: warning: comparison of distinct pointer types lacks a cast [enabled by default] vim +266 fs/nfsd/nfscache.c 250 __wsum csum; 251 struct xdr_buf *buf = &rqstp->rq_arg; 252 const unsigned char *p = buf->head[0].iov_base; 253 size_t csum_len = min_t(size_t, buf->head[0].iov_len + buf->page_len, 254 RC_CSUMLEN); 255 size_t len = min(buf->head[0].iov_len, csum_len); 256 257 /* rq_arg.head first */ 258 csum = csum_partial(p, len, 0); 259 csum_len -= len; 260 261 /* Continue into page array */ 262 idx = buf->page_base / PAGE_SIZE; 263 base = buf->page_base & ~PAGE_MASK; 264 while (csum_len) { 265 p = page_address(buf->pages[idx]) + base; > 266 len = min(PAGE_SIZE - base, csum_len); 267 csum = csum_partial(p, len, csum); 268 csum_len -= len; 269 base = 0; 270 ++idx; 271 } 272 return csum; 273 } 274 Signed-off-by: Jeff Layton <jlayton@redhat.com> Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd')
-rw-r--r--fs/nfsd/nfscache.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nfsd/nfscache.c b/fs/nfsd/nfscache.c
index 2f9c2d26a2b..ca43664422f 100644
--- a/fs/nfsd/nfscache.c
+++ b/fs/nfsd/nfscache.c
@@ -263,7 +263,7 @@ nfsd_cache_csum(struct svc_rqst *rqstp)
base = buf->page_base & ~PAGE_MASK;
while (csum_len) {
p = page_address(buf->pages[idx]) + base;
- len = min(PAGE_SIZE - base, csum_len);
+ len = min_t(size_t, PAGE_SIZE - base, csum_len);
csum = csum_partial(p, len, csum);
csum_len -= len;
base = 0;