libubus: mark ubus socket with close-on-exec

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

diff --git a/libubus-io.c b/libubus-io.c
index 31dad279238aab44d9e5be69cf3ffb1bf40e7926..3280e41a37489ff084624675e76c1966bf25dbab 100644 (file)
--- a/libubus-io.c
+++ b/libubus-io.c
@@ -379,7 +379,7 @@ int ubus_reconnect(struct ubus_context *ctx, const char *path)
                goto out_free;
 
        ret = UBUS_STATUS_OK;
-       fcntl(ctx->sock.fd, F_SETFL, fcntl(ctx->sock.fd, F_GETFL) | O_NONBLOCK);
+       fcntl(ctx->sock.fd, F_SETFL, fcntl(ctx->sock.fd, F_GETFL) | O_NONBLOCK | O_CLOEXEC);
 
        ubus_refresh_state(ctx);