make constant unsigned

diff --git a/bin/named/server.c b/bin/named/server.c
index 16125a1ff360312671763bc7af72f2490e6b9973..80481a79df97d80da4c3e5b7979a7c30dd009fa2 100644 (file)
--- a/bin/named/server.c
+++ b/bin/named/server.c
@@ -9277,7 +9277,7 @@ generate_salt(unsigned char *salt, size_t saltlen) {
        isc_buffer_t buf;
        isc_result_t result;
 
-       if (saltlen > 256)
+       if (saltlen > 256U)
                return (ISC_R_RANGE);
 
        num_ints = (saltlen + sizeof(isc_uint32_t) - 1) / sizeof(isc_uint32_t);