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path: root/src/libsystemd-network/sd-ndisc.c
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Diffstat (limited to 'src/libsystemd-network/sd-ndisc.c')
-rw-r--r--src/libsystemd-network/sd-ndisc.c44
1 files changed, 20 insertions, 24 deletions
diff --git a/src/libsystemd-network/sd-ndisc.c b/src/libsystemd-network/sd-ndisc.c
index fe9ba43167..06afafd2c7 100644
--- a/src/libsystemd-network/sd-ndisc.c
+++ b/src/libsystemd-network/sd-ndisc.c
@@ -128,13 +128,15 @@ static int ndisc_prefix_new(sd_ndisc *nd, NDiscPrefix **ret) {
return 0;
}
-int sd_ndisc_set_callback(sd_ndisc *nd,
- sd_ndisc_router_callback_t router_callback,
- sd_ndisc_prefix_onlink_callback_t prefix_onlink_callback,
- sd_ndisc_prefix_autonomous_callback_t prefix_autonomous_callback,
- sd_ndisc_callback_t callback,
- void *userdata) {
- assert(nd);
+int sd_ndisc_set_callback(
+ sd_ndisc *nd,
+ sd_ndisc_router_callback_t router_callback,
+ sd_ndisc_prefix_onlink_callback_t prefix_onlink_callback,
+ sd_ndisc_prefix_autonomous_callback_t prefix_autonomous_callback,
+ sd_ndisc_callback_t callback,
+ void *userdata) {
+
+ assert_return(nd, -EINVAL);
nd->router_callback = router_callback;
nd->prefix_onlink_callback = prefix_onlink_callback;
@@ -154,7 +156,7 @@ int sd_ndisc_set_ifindex(sd_ndisc *nd, int ifindex) {
}
int sd_ndisc_set_mac(sd_ndisc *nd, const struct ether_addr *mac_addr) {
- assert(nd);
+ assert_return(nd, -EINVAL);
if (mac_addr)
memcpy(&nd->mac_addr, mac_addr, sizeof(nd->mac_addr));
@@ -193,7 +195,7 @@ int sd_ndisc_detach_event(sd_ndisc *nd) {
}
sd_event *sd_ndisc_get_event(sd_ndisc *nd) {
- assert(nd);
+ assert_return(nd, NULL);
return nd->event;
}
@@ -245,14 +247,13 @@ sd_ndisc *sd_ndisc_unref(sd_ndisc *nd) {
int sd_ndisc_new(sd_ndisc **ret) {
_cleanup_(sd_ndisc_unrefp) sd_ndisc *nd = NULL;
- assert(ret);
+ assert_return(ret, -EINVAL);
nd = new0(sd_ndisc, 1);
if (!nd)
return -ENOMEM;
nd->n_ref = 1;
-
nd->ifindex = -1;
nd->fd = -1;
@@ -272,7 +273,6 @@ int sd_ndisc_get_mtu(sd_ndisc *nd, uint32_t *mtu) {
return -ENOMSG;
*mtu = nd->mtu;
-
return 0;
}
@@ -281,8 +281,8 @@ static int prefix_match(const struct in6_addr *prefix, uint8_t prefixlen,
uint8_t addr_prefixlen) {
uint8_t bytes, mask, len;
- assert_return(prefix, -EINVAL);
- assert_return(addr, -EINVAL);
+ assert(prefix);
+ assert(addr);
len = MIN(prefixlen, addr_prefixlen);
@@ -414,8 +414,8 @@ static int ndisc_ra_parse(sd_ndisc *nd, struct nd_router_advert *ra, ssize_t len
void *opt;
struct nd_opt_hdr *opt_hdr;
- assert_return(nd, -EINVAL);
- assert_return(ra, -EINVAL);
+ assert(nd);
+ assert(ra);
len -= sizeof(*ra);
if (len < NDISC_OPT_LEN_UNITS) {
@@ -668,14 +668,10 @@ int sd_ndisc_stop(sd_ndisc *nd) {
int sd_ndisc_router_discovery_start(sd_ndisc *nd) {
int r;
- assert(nd);
- assert(nd->event);
-
- if (nd->state != NDISC_STATE_IDLE)
- return -EBUSY;
-
- if (nd->ifindex < 1)
- return -EINVAL;
+ assert_return(nd, -EINVAL);
+ assert_return(nd->event, -EINVAL);
+ assert_return(nd->ifindex > 0, -EINVAL);
+ assert_return(nd->state == NDISC_STATE_IDLE, -EBUSY);
r = icmp6_bind_router_solicitation(nd->ifindex);
if (r < 0)