kmod/0011-Do-not-filter-unsupported-modules-when-running-a-van.patch

From 9d2f7d1e372d79dfe732992effb33daf4ee56235 Mon Sep 17 00:00:00 2001
From: Michal Marek <mmarek@suse.cz>
Date: Fri, 4 Apr 2014 10:08:01 +0200
Subject: [PATCH 5/6] Do not filter unsupported modules when running a vanilla
 kernel

References: bnc#871066
Patch-mainline: never
---
 libkmod/libkmod-config.c | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/libkmod/libkmod-config.c b/libkmod/libkmod-config.c
index 07d6a9e..550a612 100644
--- a/libkmod/libkmod-config.c
+++ b/libkmod/libkmod-config.c
@@ -566,6 +566,18 @@ static int kmod_config_parse_kcmdline(struct kmod_config *config)
 	return 0;
 }
 
+/*
+ * Check if kernel is built with the SUSE "suppported-flag" patch
+ */
+static int is_suse_kernel(void)
+{
+	if (access("/proc/sys/kernel/", F_OK) == 0 &&
+	    access("/proc/sys/kernel/unsupported", F_OK) == -1 &&
+	    errno == ENOENT)
+		return 0;
+	return 1;
+}
+
 /*
  * Take an fd and own it. It will be closed on return. filename is used only
  * for debug messages
@@ -657,9 +669,10 @@ static int kmod_config_parse(struct kmod_config *config, int fd,
 				goto syntax_error;
 			if (streq(param, "yes") || streq(param, "1"))
 				config->block_unsupported = 0;
-			else if (streq(param, "no") || streq(param, "0"))
-				config->block_unsupported = 1;
-			else
+			else if (streq(param, "no") || streq(param, "0")) {
+				if (is_suse_kernel())
+					config->block_unsupported = 1;
+			} else
 				goto syntax_error;
 		} else {
 syntax_error:
-- 
2.20.1