[PATCH] tc: police: fix control action parsing

[Michal Privoznik]

parse_action_control helper does advancing of the arg inside. So don't
do it outside.

Fixes: e67aba559581 ("tc: actions: add helpers to parse and print control 
actions")
Signed-off-by: Michal Privoznik <mpriv...@redhat.com>
---
 tc/m_police.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tc/m_police.c b/tc/m_police.c
index ff1dcb7d..62cc6f86 100644
--- a/tc/m_police.c
+++ b/tc/m_police.c
@@ -75,6 +75,7 @@ int act_parse_police(struct action_util *a, int *argc_p, char 
***argv_p,
                return -1;
 
        while (argc > 0) {
+               bool advance = true;
 
                if (matches(*argv, "index") == 0) {
                        NEXT_ARG();
@@ -154,11 +155,13 @@ int act_parse_police(struct action_util *a, int *argc_p, 
char ***argv_p,
                           matches(*argv, "goto") == 0) {
                        if (parse_action_control(&argc, &argv, &p.action, 
false))
                                return -1;
+                       advance = false;
                } else if (strcmp(*argv, "conform-exceed") == 0) {
                        NEXT_ARG();
                        if (parse_action_control_slash(&argc, &argv, &p.action,
                                                       &presult, true))
                                return -1;
+                       advance = false;
                } else if (matches(*argv, "overhead") == 0) {
                        NEXT_ARG();
                        if (get_u16(&overhead, *argv, 10)) {
@@ -175,7 +178,9 @@ int act_parse_police(struct action_util *a, int *argc_p, 
char ***argv_p,
                        break;
                }
                ok++;
-               argc--; argv++;
+               if (advance) {
+                       argc--; argv++;
+               }
        }
 
        if (!ok)
-- 
2.13.6