ip-address: constify match_link_kind arg

Since the function won't ever change the data 'kind' is pointing at, it
can sanely be made const.

Fixes: e0513807f6dbb ("ip-address: Support filtering by slave type, too")
Suggested-by: Stephen Hemminger <shemming@brocade.com>
Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/ip/ipaddress.c b/ip/ipaddress.c
index d4d649505e15aac479c33bdef1318656b2b4f8ec..02bc9029d6b20b20a861e5cf435e03ed7039a527 100644 (file)
--- a/ip/ipaddress.c
+++ b/ip/ipaddress.c
@@ -220,7 +220,7 @@ static char *parse_link_kind(struct rtattr *tb, bool slave)
        return "";
 }
 
-static int match_link_kind(struct rtattr **tb, char *kind, bool slave)
+static int match_link_kind(struct rtattr **tb, const char *kind, bool slave)
 {
        if (!tb[IFLA_LINKINFO])
                return -1;