tc: make prefix const

Tcstats functions have prefix argument that can be made const.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>

diff --git a/tc/tc_util.c b/tc/tc_util.c
index 8cd3c03578272059d888fac6993e32f5ef1a29eb..d2622063a6d48a393a232057eac4f020db00a10b 100644 (file)
--- a/tc/tc_util.c
+++ b/tc/tc_util.c
@@ -614,7 +614,7 @@ void print_tm(FILE *f, const struct tcf_t *tm)
                           tm->expires / hz);
 }
 
-static void print_tcstats_basic_hw(struct rtattr **tbs, char *prefix)
+static void print_tcstats_basic_hw(struct rtattr **tbs, const char *prefix)
 {
        struct gnet_stats_basic bs_hw;
 
@@ -652,7 +652,8 @@ static void print_tcstats_basic_hw(struct rtattr **tbs, char *prefix)
        print_uint(PRINT_ANY, "hw_packets", " %u pkt", bs_hw.packets);
 }
 
-void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char *prefix, struct rtattr **xstats)
+void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
+                        const char *prefix, struct rtattr **xstats)
 {
        struct rtattr *tbs[TCA_STATS_MAX + 1];
 
@@ -729,7 +730,7 @@ void print_tcstats2_attr(FILE *fp, struct rtattr *rta, char *prefix, struct rtat
                *xstats = tbs[TCA_STATS_APP] ? : NULL;
 }
 
-void print_tcstats_attr(FILE *fp, struct rtattr *tb[], char *prefix,
+void print_tcstats_attr(FILE *fp, struct rtattr *tb[], const char *prefix,
                        struct rtattr **xstats)
 {
        if (tb[TCA_STATS2]) {

diff --git a/tc/tc_util.h b/tc/tc_util.h
index b197bcdd7b800bbd4691154a74bca97fecfac61d..a3fa7360f0933d2eb7b96ec2db20e0b1d751bab2 100644 (file)
--- a/tc/tc_util.h
+++ b/tc/tc_util.h
@@ -90,9 +90,9 @@ char *sprint_ticks(__u32 ticks, char *buf);
 char *sprint_linklayer(unsigned int linklayer, char *buf);
 
 void print_tcstats_attr(FILE *fp, struct rtattr *tb[],
-                       char *prefix, struct rtattr **xstats);
+                       const char *prefix, struct rtattr **xstats);
 void print_tcstats2_attr(FILE *fp, struct rtattr *rta,
-                        char *prefix, struct rtattr **xstats);
+                        const char *prefix, struct rtattr **xstats);
 
 int get_tc_classid(__u32 *h, const char *str);
 int print_tc_classid(char *buf, int len, __u32 h);