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authorLennart Poettering <lennart@poettering.net>2015-02-02 23:21:20 +0100
committerLennart Poettering <lennart@poettering.net>2015-02-02 23:27:33 +0100
commit44de0efc6e406515fc1cf8b95d9655d0d7f7ffff (patch)
tree81fb7a663c6baec2c3a7d6e9ac56f4966798e17f /src/network/networkd-manager.c
parentfed6df828d86c053a96d5b50af75c53eb8dd4666 (diff)
networkd: minor simplification
Let's return the fd we found as return value in systemd_netlink_fd(), instead of using call-by-reference.
Diffstat (limited to 'src/network/networkd-manager.c')
-rw-r--r--src/network/networkd-manager.c34
1 files changed, 13 insertions, 21 deletions
diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index 49e353a7b1..ac207851cb 100644
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -76,8 +76,8 @@ static int setup_default_address_pool(Manager *m) {
return 0;
}
-static int systemd_netlink_fd(int *ret) {
- int n, fd, rtnl_fd = -1;
+static int systemd_netlink_fd(void) {
+ int n, fd, rtnl_fd = -EINVAL;
n = sd_listen_fds(true);
if (n <= 0)
@@ -92,12 +92,7 @@ static int systemd_netlink_fd(int *ret) {
}
}
- if (rtnl_fd < 0)
- return -EINVAL;
-
- *ret = rtnl_fd;
-
- return 0;
+ return rtnl_fd;
}
int manager_new(Manager **ret) {
@@ -121,20 +116,17 @@ int manager_new(Manager **ret) {
sd_event_add_signal(m->event, NULL, SIGTERM, NULL, NULL);
sd_event_add_signal(m->event, NULL, SIGINT, NULL, NULL);
- if (systemd_netlink_fd(&fd) < 0) {
- r = sd_rtnl_open(&m->rtnl, 3, RTNLGRP_LINK, RTNLGRP_IPV4_IFADDR,
- RTNLGRP_IPV6_IFADDR);
- if (r < 0)
- return r;
-
- r = sd_rtnl_inc_rcvbuf(m->rtnl, RCVBUF_SIZE);
- if (r < 0)
- return r;
- } else {
+ fd = systemd_netlink_fd();
+ if (fd < 0)
+ r = sd_rtnl_open(&m->rtnl, 3, RTNLGRP_LINK, RTNLGRP_IPV4_IFADDR, RTNLGRP_IPV6_IFADDR);
+ else
r = sd_rtnl_new_from_netlink(&m->rtnl, fd);
- if (r < 0)
- return r;
- }
+ if (r < 0)
+ return r;
+
+ r = sd_rtnl_inc_rcvbuf(m->rtnl, RCVBUF_SIZE);
+ if (r < 0)
+ return r;
r = sd_bus_default_system(&m->bus);
if (r < 0 && r != -ENOENT) /* TODO: drop when we can rely on kdbus */