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-rw-r--r--usr/iscsi_net_util.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/usr/iscsi_net_util.c b/usr/iscsi_net_util.c
index b5a910f..c38456f 100644
--- a/usr/iscsi_net_util.c
+++ b/usr/iscsi_net_util.c
@@ -192,6 +192,10 @@ static char *find_vlan_dev(char *netdev, int vlan_id) {
int sockfd, i, rc;
sockfd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (sockfd < 0) {
+ log_error("Could not open socket for ioctl.");
+ return NULL;
+ }
strlcpy(if_hwaddr.ifr_name, netdev, IFNAMSIZ);
ioctl(sockfd, SIOCGIFHWADDR, &if_hwaddr);