hash: small cleanup

diff --git a/src/include/ceph_hash.cc b/src/include/ceph_hash.cc
index ac8be54631fe559e5dc5b90ddee7bd29f65f21a8..1c44e43fe89e963528720807593d99f4fb170dab 100644 (file)
--- a/src/include/ceph_hash.cc
+++ b/src/include/ceph_hash.cc
@@ -85,7 +85,7 @@ unsigned ceph_str_hash_linux(const char *str, unsigned length)
         unsigned long hash = 0;
        unsigned char c;
 
-        while (length-- > 0) {
+        while (length--) {
                c = *str++;
                hash = (hash + (c << 4) + (c >> 4)) * 11;
        }