From 9f1583339a6f52c0c26441d39a0deff8246800f7 Mon Sep 17 00:00:00 2001
From: Randy Dunlap <rdunlap@xenotime.net>
Date: Tue, 13 Sep 2005 01:25:16 -0700
Subject: [PATCH] [PATCH] use add_taint() for setting tainted bit flags

Use the add_taint() interface for setting tainted bit flags instead of
doing it manually.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
 arch/i386/kernel/smpboot.c |  2 +-
 arch/x86_64/kernel/mce.c   |  2 +-
 kernel/module.c            | 11 ++++++-----
 mm/page_alloc.c            |  3 ++-
 4 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index c70cd2a083..5f0a95d76a 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -202,7 +202,7 @@ static void __devinit smp_store_cpu_info(int id)
 				goto valid_k7;
 
 		/* If we get here, it's not a certified SMP capable AMD system. */
-		tainted |= TAINT_UNSAFE_SMP;
+		add_taint(TAINT_UNSAFE_SMP);
 	}
 
 valid_k7:
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index 969365c077..08203b07f4 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -217,7 +217,7 @@ void do_machine_check(struct pt_regs * regs, long error_code)
 			panicm_found = 1;
 		}
 
-		tainted |= TAINT_MACHINE_CHECK;
+		add_taint(TAINT_MACHINE_CHECK);
 	}
 
 	/* Never do anything final in the polling timer */
diff --git a/kernel/module.c b/kernel/module.c
index 4b39d3793c..ff5c500ab6 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -20,6 +20,7 @@
 #include <linux/module.h>
 #include <linux/moduleloader.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/elf.h>
@@ -498,7 +499,7 @@ static inline int try_force(unsigned int flags)
 {
 	int ret = (flags & O_TRUNC);
 	if (ret)
-		tainted |= TAINT_FORCED_MODULE;
+		add_taint(TAINT_FORCED_MODULE);
 	return ret;
 }
 #else
@@ -897,7 +898,7 @@ static int check_version(Elf_Shdr *sechdrs,
 	if (!(tainted & TAINT_FORCED_MODULE)) {
 		printk("%s: no version for \"%s\" found: kernel tainted.\n",
 		       mod->name, symname);
-		tainted |= TAINT_FORCED_MODULE;
+		add_taint(TAINT_FORCED_MODULE);
 	}
 	return 1;
 }
@@ -1352,7 +1353,7 @@ static void set_license(struct module *mod, const char *license)
 	if (!mod->license_gplok && !(tainted & TAINT_PROPRIETARY_MODULE)) {
 		printk(KERN_WARNING "%s: module license '%s' taints kernel.\n",
 		       mod->name, license);
-		tainted |= TAINT_PROPRIETARY_MODULE;
+		add_taint(TAINT_PROPRIETARY_MODULE);
 	}
 }
 
@@ -1610,7 +1611,7 @@ static struct module *load_module(void __user *umod,
 	modmagic = get_modinfo(sechdrs, infoindex, "vermagic");
 	/* This is allowed: modprobe --force will invalidate it. */
 	if (!modmagic) {
-		tainted |= TAINT_FORCED_MODULE;
+		add_taint(TAINT_FORCED_MODULE);
 		printk(KERN_WARNING "%s: no version magic, tainting kernel.\n",
 		       mod->name);
 	} else if (!same_magic(modmagic, vermagic)) {
@@ -1739,7 +1740,7 @@ static struct module *load_module(void __user *umod,
 	    (mod->num_gpl_syms && !gplcrcindex)) {
 		printk(KERN_WARNING "%s: No versions for exported symbols."
 		       " Tainting kernel.\n", mod->name);
-		tainted |= TAINT_FORCED_MODULE;
+		add_taint(TAINT_FORCED_MODULE);
 	}
 #endif
 
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index c5823c395f..ae2903339e 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -22,6 +22,7 @@
 #include <linux/pagemap.h>
 #include <linux/bootmem.h>
 #include <linux/compiler.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/suspend.h>
 #include <linux/pagevec.h>
@@ -117,7 +118,7 @@ static void bad_page(const char *function, struct page *page)
 	set_page_count(page, 0);
 	reset_page_mapcount(page);
 	page->mapping = NULL;
-	tainted |= TAINT_BAD_PAGE;
+	add_taint(TAINT_BAD_PAGE);
 }
 
 #ifndef CONFIG_HUGETLB_PAGE
-- 
2.39.5