zero-initialize the ifreq when adding/removing bridge member interfaces

diff --git a/system-linux.c b/system-linux.c
index 24ea2e3792c7d077543a00532c674500e1551813..3372a6672580871bc1c461d27958bde37f07f4ee 100644 (file)
--- a/system-linux.c
+++ b/system-linux.c
@@ -275,6 +275,8 @@ int system_bridge_delbr(struct device *bridge)
 static int system_bridge_if(const char *bridge, struct device *dev, int cmd, void *data)
 {
        struct ifreq ifr;
+
+       memset(&ifr, 0, sizeof(ifr));
        if (dev)
                ifr.ifr_ifindex = dev->ifindex;
        else