if (sock == INT_MIN) {
sock = socket(AF_PACKET, SOCK_RAW, 0);
if (sock >= 0) {
- set_nonblocking(sock);
+ int error = set_nonblocking(sock);
+ if (error) {
+ close(sock);
+ sock = -error;
+ }
} else {
sock = -errno;
VLOG_ERR("failed to create packet socket: %s", strerror(errno));