From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Fri, 18 Dec 2020 04:12:09 +0000 (+0900)
Subject: sd-netlink: add several assertions
X-Git-Tag: v248-rc1~472^2~6
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f6dab7489e17d8cb6758c07fd2cecf42c6b5b9a0;p=thirdparty%2Fsystemd.git

sd-netlink: add several assertions
---

diff --git a/src/libsystemd/sd-netlink/netlink-socket.c b/src/libsystemd/sd-netlink/netlink-socket.c
index f1d24a6989b..9e8dff1a72c 100644
--- a/src/libsystemd/sd-netlink/netlink-socket.c
+++ b/src/libsystemd/sd-netlink/netlink-socket.c
@@ -244,7 +244,8 @@ int socket_writev_message(sd_netlink *nl, sd_netlink_message **m, size_t msgcoun
         size_t i;
 
         assert(nl);
-        assert(msgcount);
+        assert(m);
+        assert(msgcount > 0);
 
         iovs = new0(struct iovec, msgcount);
         if (!iovs)
diff --git a/src/libsystemd/sd-netlink/sd-netlink.c b/src/libsystemd/sd-netlink/sd-netlink.c
index 8a419c5ed26..db9fcd79dd0 100644
--- a/src/libsystemd/sd-netlink/sd-netlink.c
+++ b/src/libsystemd/sd-netlink/sd-netlink.c
@@ -237,6 +237,7 @@ int sd_netlink_sendv(sd_netlink *nl,
         assert_return(nl, -EINVAL);
         assert_return(!rtnl_pid_changed(nl), -ECHILD);
         assert_return(messages, -EINVAL);
+        assert_return(msgcount > 0, -EINVAL);
 
         if (ret_serial) {
                 serials = new0(uint32_t, msgcount);