NFSD: Use unsigned length argument for decode_filename

Clean up: file name lengths are unsigned on the wire, negative lengths
are not meaningful natively either.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Acked-By: NeilBrown <neilb@suse.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 2 insertions, 2 deletions

diff --git a/fs/nfsd/nfs3xdr.c b/fs/nfsd/nfs3xdr.c
index f917fd25858a..c02b8d69297d 100644
--- a/fs/nfsd/nfs3xdr.c
+++ b/fs/nfsd/nfs3xdr.c
@@ -88,10 +88,10 @@ encode_fh(__be32 *p, struct svc_fh *fhp)
  * no slashes or null bytes.
  */
 static __be32 *
-decode_filename(__be32 *p, char **namp, int *lenp)
+decode_filename(__be32 *p, char **namp, unsigned int *lenp)
 {
         char            *name;
-        int             i;
+        unsigned int    i;
 
         if ((p = xdr_decode_string_inplace(p, namp, lenp, NFS3_MAXNAMLEN)) != NULL) {
                 for (i = 0, name = *namp; i < *lenp; i++, name++) {