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udev: net_setup_link - open ethtool and rtnl connections lazily
[elogind.git]
/
src
/
libsystemd
/
sd-rtnl
/
rtnl-util.c
diff --git
a/src/libsystemd/sd-rtnl/rtnl-util.c
b/src/libsystemd/sd-rtnl/rtnl-util.c
index 0bc2c9b1f5720f68772d4264c61bbafb19a49720..1ec1fa8d27905c7b5a77b7765983624a3a877da4 100644
(file)
--- a/
src/libsystemd/sd-rtnl/rtnl-util.c
+++ b/
src/libsystemd/sd-rtnl/rtnl-util.c
@@
-26,7
+26,7
@@
#include "rtnl-util.h"
#include "rtnl-internal.h"
#include "rtnl-util.h"
#include "rtnl-internal.h"
-int rtnl_set_link_name(sd_rtnl *rtnl, int ifindex, const char *name) {
+int rtnl_set_link_name(sd_rtnl *
*
rtnl, int ifindex, const char *name) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
int r;
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
int r;
@@
-34,7
+34,13
@@
int rtnl_set_link_name(sd_rtnl *rtnl, int ifindex, const char *name) {
assert(ifindex > 0);
assert(name);
assert(ifindex > 0);
assert(name);
- r = sd_rtnl_message_new_link(rtnl, &message, RTM_SETLINK, ifindex);
+ if (!*rtnl) {
+ r = sd_rtnl_open(rtnl, 0);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_rtnl_message_new_link(*rtnl, &message, RTM_SETLINK, ifindex);
if (r < 0)
return r;
if (r < 0)
return r;
@@
-42,17
+48,16
@@
int rtnl_set_link_name(sd_rtnl *rtnl, int ifindex, const char *name) {
if (r < 0)
return r;
if (r < 0)
return r;
- r = sd_rtnl_call(rtnl, message, 0, NULL);
+ r = sd_rtnl_call(
*
rtnl, message, 0, NULL);
if (r < 0)
return r;
return 0;
}
if (r < 0)
return r;
return 0;
}
-int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *alias,
+int rtnl_set_link_properties(sd_rtnl *
*
rtnl, int ifindex, const char *alias,
const struct ether_addr *mac, unsigned mtu) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
const struct ether_addr *mac, unsigned mtu) {
_cleanup_rtnl_message_unref_ sd_rtnl_message *message = NULL;
- bool need_update = false;
int r;
assert(rtnl);
int r;
assert(rtnl);
@@
-61,7
+66,13
@@
int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *alias,
if (!alias && !mac && mtu == 0)
return 0;
if (!alias && !mac && mtu == 0)
return 0;
- r = sd_rtnl_message_new_link(rtnl, &message, RTM_SETLINK, ifindex);
+ if (!*rtnl) {
+ r = sd_rtnl_open(rtnl, 0);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_rtnl_message_new_link(*rtnl, &message, RTM_SETLINK, ifindex);
if (r < 0)
return r;
if (r < 0)
return r;
@@
-69,32
+80,23
@@
int rtnl_set_link_properties(sd_rtnl *rtnl, int ifindex, const char *alias,
r = sd_rtnl_message_append_string(message, IFLA_IFALIAS, alias);
if (r < 0)
return r;
r = sd_rtnl_message_append_string(message, IFLA_IFALIAS, alias);
if (r < 0)
return r;
-
- need_update = true;
-
}
if (mac) {
r = sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, mac);
if (r < 0)
return r;
}
if (mac) {
r = sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, mac);
if (r < 0)
return r;
-
- need_update = true;
}
if (mtu > 0) {
r = sd_rtnl_message_append_u32(message, IFLA_MTU, mtu);
if (r < 0)
return r;
}
if (mtu > 0) {
r = sd_rtnl_message_append_u32(message, IFLA_MTU, mtu);
if (r < 0)
return r;
-
- need_update = true;
}
}
- if (need_update) {
- r = sd_rtnl_call(rtnl, message, 0, NULL);
- if (r < 0)
- return r;
- }
+ r = sd_rtnl_call(*rtnl, message, 0, NULL);
+ if (r < 0)
+ return r;
return 0;
}
return 0;
}