From b4ff1ba4a9f959e23d3181c5a7f7fda5b6a4ec09 Mon Sep 17 00:00:00 2001
From: makefu <github@syntax-fehler.de>
Date: Tue, 28 Feb 2017 16:28:23 +0100
Subject: [PATCH] exfat-nofuse: exclude 4.1 kernel build

---
 pkgs/os-specific/linux/exfat/default.nix | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/pkgs/os-specific/linux/exfat/default.nix b/pkgs/os-specific/linux/exfat/default.nix
index 394092b8da93..fa2939e947e5 100644
--- a/pkgs/os-specific/linux/exfat/default.nix
+++ b/pkgs/os-specific/linux/exfat/default.nix
@@ -1,8 +1,11 @@
-{ stdenv, fetchFromGitHub, kernel }:
+{ stdenv, lib, fetchFromGitHub, kernel }:
 
 # Upstream build for kernel > 4.10 is currently broken
 # Reference: https://github.com/dorimanx/exfat-nofuse/issues/103
-assert stdenv.lib.versionOlder kernel.version "4.10";
+assert lib.versionOlder kernel.version "4.10";
+
+# Upstream build for kernel 4.1 is broken, 3.12 and below seems to be working
+assert lib.versionAtLeast kernel.version  "4.2" || lib.versionOlder kernel.version "4.0";
 
 stdenv.mkDerivation rec {
   name = "exfat-nofuse-${version}-${kernel.version}";
@@ -28,8 +31,8 @@ stdenv.mkDerivation rec {
   meta = {
     description = "exfat kernel module";
     homepage = https://github.com/dorimanx/exfat-nofuse;
-    license = stdenv.lib.licenses.gpl2;
-    maintainers = with stdenv.lib.maintainers; [ makefu ];
-    platforms = stdenv.lib.platforms.linux;
+    license = lib.licenses.gpl2;
+    maintainers = with lib.maintainers; [ makefu ];
+    platforms = lib.platforms.linux;
   };
 }