[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>

4 files changed, 10 insertions, 8 deletions

diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index c70cd2a08304..5f0a95d76a4f 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 969365c0771b..08203b07f4bd 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 4b39d3793c72..ff5c500ab625 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 c5823c395f71..ae2903339e71 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