Merge pull request #11827 from keszybz/pkgconfig-variables

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

diff --git a/src/libsystemd-network/sd-radv.c b/src/libsystemd-network/sd-radv.c
index fe458bcaa625d3dfd086054ea518324aff804888..098e01fb82527356c6fb5bfecccc1a47cea06353 100644 (file)
--- a/src/libsystemd-network/sd-radv.c
+++ b/src/libsystemd-network/sd-radv.c
@@ -503,6 +503,10 @@ _public_ int sd_radv_add_prefix(sd_radv *ra, sd_radv_prefix *p, int dynamic) {
         if (!p)
                 return -EINVAL;
 
+        /* Refuse prefixes that don't have a prefix set */
+        if (IN6_IS_ADDR_UNSPECIFIED(&p->opt.in6_addr))
+                return -ENOEXEC;
+
         LIST_FOREACH(prefix, cur, ra->prefixes) {
 
                 r = in_addr_prefix_intersect(AF_INET6,