lockd: Eliminate harmless mixed sign comparison in nlmdbg_cookie2a()

The cookie->len field is unsigned, so the loop index variable in
nlmdbg_cookie2a() should also be unsigned.

Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 2 deletions

diff --git a/fs/lockd/xdr.c b/fs/lockd/xdr.c
index 633653bff944..3e459e18cc31 100644
--- a/fs/lockd/xdr.c
+++ b/fs/lockd/xdr.c
@@ -612,8 +612,7 @@ const char *nlmdbg_cookie2a(const struct nlm_cookie *cookie)
          * called with BKL held.
          */
         static char buf[2*NLM_MAXCOOKIELEN+1];
-        int i;
-        int len = sizeof(buf);
+        unsigned int i, len = sizeof(buf);
         char *p = buf;
 
         len--;  /* allow for trailing \0 */