system-linux: fix memory leak in system_addr()

Detected by Coverity CID 1330178

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/system-linux.c b/system-linux.c
index f51c0785911e486ca40bdd886e9e2b82cb846fcb..27c0f1e3416baaece91579dd32cf66daf87ce805 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -1532,8 +1532,10 @@ static int system_addr(struct device *dev, struct device_addr *addr, int cmd)
 
                if (addr->valid_until) {
                        int64_t valid = addr->valid_until - now;
-                       if (valid <= 0)
+                       if (valid <= 0) {
+                               nlmsg_free(msg);
                                return -1;
+                       }
                        else if (valid > UINT32_MAX)
                                valid = UINT32_MAX;