use signed int where negative values are used

diff --git a/util.c b/util.c
index e03ec2c02fd16a78e490cfadaa925a15c87bcf00..14e78adcab2e5678a416dca98907142fa720dd36 100644 (file)
--- a/util.c
+++ b/util.c
@@ -387,7 +387,7 @@ int parse_keys(struct nl_msg *msg, char **argv, int argc)
 
 static void print_mcs_index(const __u8 *mcs)
 {
-       unsigned int mcs_bit, prev_bit = -2, prev_cont = 0;
+       int mcs_bit, prev_bit = -2, prev_cont = 0;
 
        for (mcs_bit = 0; mcs_bit <= 76; mcs_bit++) {
                unsigned int mcs_octet = mcs_bit/8;