Linux: remove some casts no longer needed

diff --git a/src/if-linux.c b/src/if-linux.c
index e9c8f50ae1f2134146b121b666b648df2636f2ff..5b31cada62ecb5ed30c58a7dbd8eff8cec18d74f 100644 (file)
--- a/src/if-linux.c
+++ b/src/if-linux.c
@@ -510,7 +510,7 @@ if_copyrt(struct dhcpcd_ctx *ctx, struct rt *rt, struct nlmsghdr *nlm)
        if (rtm->rtm_type == RTN_UNREACHABLE)
                rt->rt_flags |= RTF_REJECT;
 
-       rta = (struct rtattr *)RTM_RTA(rtm);
+       rta = RTM_RTA(rtm);
        len = RTM_PAYLOAD(nlm);
        while (RTA_OK(rta, len)) {
                sa = NULL;
@@ -664,7 +664,7 @@ link_addr(struct dhcpcd_ctx *ctx, struct interface *ifp, struct nlmsghdr *nlm)
                 * so it's not really an error */
                return 1;
        }
-       rta = (struct rtattr *)IFA_RTA(ifa);
+       rta = IFA_RTA(ifa);
        len = NLMSG_PAYLOAD(nlm, sizeof(*ifa));
        switch (ifa->ifa_family) {
 #ifdef INET
@@ -772,7 +772,7 @@ link_neigh(struct dhcpcd_ctx *ctx, __unused struct interface *ifp,
                return -1;
 
        r = NLMSG_DATA(nlm);
-       rta = (struct rtattr *)RTM_RTA(r);
+       rta = RTM_RTA(r);
        len = RTM_PAYLOAD(nlm);
         if (r->ndm_family == AF_INET6) {
                bool reachable;
@@ -1322,7 +1322,7 @@ _if_addressexists(__unused struct dhcpcd_ctx *ctx,
        ifa = NLMSG_DATA(nlm);
        if (ifa->ifa_index != ia->ifa_ifindex || ifa->ifa_family != AF_INET)
                return 0;
-       rta = (struct rtattr *)IFA_RTA(ifa);
+       rta = IFA_RTA(ifa);
        len = NLMSG_PAYLOAD(nlm, sizeof(*ifa));
        while (RTA_OK(rta, len)) {
                switch (rta->rta_type) {