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zero-initialize the ifreq when setting interfaces up or down
[project/netifd.git]
/
system-linux.c
diff --git
a/system-linux.c
b/system-linux.c
index
c4d094d
..
24ea2e3
100644
(file)
--- a/
system-linux.c
+++ b/
system-linux.c
@@
-350,6
+350,8
@@
static int system_if_resolve(struct device *dev)
static int system_if_flags(const char *ifname, unsigned add, unsigned rem)
{
struct ifreq ifr;
+
+ memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
ioctl(sock_ioctl, SIOCGIFFLAGS, &ifr);
ifr.ifr_flags |= add;