Add SPDX license identifiers to source files under the LGPL

[thirdparty/systemd.git] / src / libsystemd-network / sd-ipv4acd.c

diff --git a/src/libsystemd-network/sd-ipv4acd.c b/src/libsystemd-network/sd-ipv4acd.c
index 662885840f9b21f2d85870c9e448a262d3882b87..1b2530ea33d129e4e0df6bebae9d8f931867a208 100644 (file)
--- a/src/libsystemd-network/sd-ipv4acd.c
+++ b/src/libsystemd-network/sd-ipv4acd.c
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -135,9 +136,7 @@ sd_ipv4acd *sd_ipv4acd_unref(sd_ipv4acd *acd) {
         ipv4acd_reset(acd);
         sd_ipv4acd_detach_event(acd);
 
-        free(acd);
-
-        return NULL;
+        return mfree(acd);
 }
 
 int sd_ipv4acd_new(sd_ipv4acd **ret) {
@@ -244,8 +243,6 @@ static int ipv4acd_on_timeout(sd_event_source *s, uint64_t usec, void *userdata)
                         r = ipv4acd_set_next_wakeup(acd, RATE_LIMIT_INTERVAL_USEC, PROBE_WAIT_USEC);
                         if (r < 0)
                                 goto fail;
-
-                        acd->n_conflict = 0;
                 } else {
                         r = ipv4acd_set_next_wakeup(acd, 0, PROBE_WAIT_USEC);
                         if (r < 0)
@@ -358,7 +355,7 @@ static int ipv4acd_on_packet(
 
         n = recv(fd, &packet, sizeof(struct ether_arp), 0);
         if (n < 0) {
-                if (errno == EAGAIN || errno == EINTR)
+                if (IN_SET(errno, EAGAIN, EINTR))
                         return 0;
 
                 log_ipv4acd_errno(acd, errno, "Failed to read ARP packet: %m");