Merge branches 'topic/asoc', 'topic/misc-fixes' and 'topic/hda' into for-linus

[linux-2.6-omap-h63xx.git] / kernel / module.c

diff --git a/kernel/module.c b/kernel/module.c
index c527006672925f53320a06ced013efceac2262ab..25bc9ac9e226ae02dce8ff39a7c1d914684b4e3e 100644 (file)
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -100,7 +100,7 @@ static inline int strong_try_module_get(struct module *mod)
 static inline void add_taint_module(struct module *mod, unsigned flag)
 {
        add_taint(flag);
-       mod->taints |= flag;
+       mod->taints |= (1U << flag);
 }
 
 /*
@@ -924,7 +924,7 @@ static const char vermagic[] = VERMAGIC_STRING;
 static int try_to_force_load(struct module *mod, const char *symname)
 {
 #ifdef CONFIG_MODULE_FORCE_LOAD
-       if (!(tainted & TAINT_FORCED_MODULE))
+       if (!test_taint(TAINT_FORCED_MODULE))
                printk("%s: no version for \"%s\" found: kernel tainted.\n",
                       mod->name, symname);
        add_taint_module(mod, TAINT_FORCED_MODULE);
@@ -1034,7 +1034,7 @@ static unsigned long resolve_symbol(Elf_Shdr *sechdrs,
        const unsigned long *crc;
 
        ret = find_symbol(name, &owner, &crc,
-                         !(mod->taints & TAINT_PROPRIETARY_MODULE), true);
+                         !(mod->taints & (1 << TAINT_PROPRIETARY_MODULE)), true);
        if (!IS_ERR_VALUE(ret)) {
                /* use_module can fail due to OOM,
                   or module initialization or unloading */
@@ -1635,7 +1635,7 @@ static void set_license(struct module *mod, const char *license)
                license = "unspecified";
 
        if (!license_is_gpl_compatible(license)) {
-               if (!(tainted & TAINT_PROPRIETARY_MODULE))
+               if (!test_taint(TAINT_PROPRIETARY_MODULE))
                        printk(KERN_WARNING "%s: module license '%s' taints "
                                "kernel.\n", mod->name, license);
                add_taint_module(mod, TAINT_PROPRIETARY_MODULE);
@@ -1834,6 +1834,7 @@ static noinline struct module *load_module(void __user *umod,
        Elf_Ehdr *hdr;
        Elf_Shdr *sechdrs;
        char *secstrings, *args, *modmagic, *strtab = NULL;
+       char *staging;
        unsigned int i;
        unsigned int symindex = 0;
        unsigned int strindex = 0;
@@ -1989,6 +1990,14 @@ static noinline struct module *load_module(void __user *umod,
                goto free_hdr;
        }
 
+       staging = get_modinfo(sechdrs, infoindex, "staging");
+       if (staging) {
+               add_taint_module(mod, TAINT_CRAP);
+               printk(KERN_WARNING "%s: module is from the staging directory,"
+                      " the quality is unknown, you have been warned.\n",
+                      mod->name);
+       }
+
        /* Now copy in args */
        args = strndup_user(uargs, ~0UL >> 1);
        if (IS_ERR(args)) {
@@ -2583,10 +2592,12 @@ static char *module_flags(struct module *mod, char *buf)
            mod->state == MODULE_STATE_GOING ||
            mod->state == MODULE_STATE_COMING) {
                buf[bx++] = '(';
-               if (mod->taints & TAINT_PROPRIETARY_MODULE)
+               if (mod->taints & (1 << TAINT_PROPRIETARY_MODULE))
                        buf[bx++] = 'P';
-               if (mod->taints & TAINT_FORCED_MODULE)
+               if (mod->taints & (1 << TAINT_FORCED_MODULE))
                        buf[bx++] = 'F';
+               if (mod->taints & (1 << TAINT_CRAP))
+                       buf[bx++] = 'C';
                /*
                 * TAINT_FORCED_RMMOD: could be added.
                 * TAINT_UNSAFE_SMP, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't