luci2: fix incorrect buffer length in luci2.opkg config_set call

diff --git a/luci2.c b/luci2.c
index 001b33638d66c782e30411896233fe880470b922..b63123d2f675f01fcb1ed54d28bbd5390232ec08 100644 (file)
--- a/luci2.c
+++ b/luci2.c
@@ -1952,7 +1952,7 @@ rpc_luci2_opkg_config_set(struct ubus_context *ctx, struct ubus_object *obj,
                return rpc_errno_status();
 
        fwrite(blobmsg_data(tb[RPC_D_DATA]),
-              blobmsg_data_len(tb[RPC_D_DATA]), 1, f);
+              blobmsg_data_len(tb[RPC_D_DATA]) - 1, 1, f);
 
        fclose(f);
        return 0;