nldev: close netlink filhandle on exec

1 files changed, 1 insertions, 0 deletions

diff --git a/nldev.c b/nldev.c
index 9128c51..2a6c062 100644
--- a/nldev.c
+++ b/nldev.c
@@ -126,6 +126,7 @@ init_netlink_socket(void)
 	if (bind(fd, (void *)&nls, sizeof(nls)))
 		edie("bind");
 
+	fcntl(fd, F_SETFD, FD_CLOEXEC);
 	return fd;
 }