From 9d66a1bc398d7ea89135aeb49615e8ee1086e4b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Robert=20Sch=C3=BCtz?= <nix@dotlambda.de>
Date: Thu, 16 Apr 2026 10:02:46 -0700
Subject: [PATCH] zfs: simplify kernelIsCompatible function

---
 pkgs/os-specific/linux/zfs/generic.nix | 14 +-------------
 1 file changed, 1 insertion(+), 13 deletions(-)

diff --git a/pkgs/os-specific/linux/zfs/generic.nix b/pkgs/os-specific/linux/zfs/generic.nix
index ac55f618dccc..ea017985f78e 100644
--- a/pkgs/os-specific/linux/zfs/generic.nix
+++ b/pkgs/os-specific/linux/zfs/generic.nix
@@ -76,20 +76,8 @@ let
       ];
       kernelIsCompatible =
         kernel:
-        let
-          nextMajorMinor =
-            ver:
-            "${lib.versions.major ver}.${
-              lib.pipe ver [
-                lib.versions.minor
-                lib.toInt
-                (x: x + 1)
-                toString
-              ]
-            }";
-        in
         (lib.versionAtLeast kernel.version kernelMinSupportedMajorMinor)
-        && (lib.versionOlder kernel.version (nextMajorMinor kernelMaxSupportedMajorMinor));
+        && (lib.versionAtLeast kernelMaxSupportedMajorMinor (lib.versions.majorMinor kernel.version));
 
       # XXX: You always want to build kernel modules with the same stdenv as the
       # kernel was built with. However, since zfs can also be built for userspace we