Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / init / main.c

diff --git a/init/main.c b/init/main.c
index 9c51ee7..63f5f6f 100644 (file)
--- a/init/main.c
+++ b/init/main.c
@@ -163,7 +163,7 @@ static int __init obsolete_checksetup(char *line)
        p = __setup_start;
        do {
                int n = strlen(p->str);
-               if (!strncmp(line, p->str, n)) {
+               if (parameqn(line, p->str, n)) {
                        if (p->early) {
                                /* Already done in parse_early_param?
                                 * (Needs exact match on param part).
@@ -209,8 +209,19 @@ early_param("quiet", quiet_kernel);
 
 static int __init loglevel(char *str)
 {
-       get_option(&str, &console_loglevel);
-       return 0;
+       int newlevel;
+
+       /*
+        * Only update loglevel value when a correct setting was passed,
+        * to prevent blind crashes (when loglevel being set to 0) that
+        * are quite hard to debug
+        */
+       if (get_option(&str, &newlevel)) {
+               console_loglevel = newlevel;
+               return 0;
+       }
+
+       return -EINVAL;
 }
 
 early_param("loglevel", loglevel);
@@ -370,9 +381,6 @@ static noinline void __init_refok rest_init(void)
        preempt_enable_no_resched();
        schedule();
 
-       /* At this point, we can enable user mode helper functionality */
-       usermodehelper_enable();
-
        /* Call into cpu_idle with preempt disabled */
        preempt_disable();
        cpu_idle();
@@ -384,7 +392,7 @@ static int __init do_early_param(char *param, char *val)
        const struct obs_kernel_param *p;
 
        for (p = __setup_start; p < __setup_end; p++) {
-               if ((p->early && strcmp(param, p->str) == 0) ||
+               if ((p->early && parameq(param, p->str)) ||
                    (strcmp(param, "console") == 0 &&
                     strcmp(p->str, "earlycon") == 0)
                ) {
@@ -722,6 +730,7 @@ static void __init do_basic_setup(void)
        driver_init();
        init_irq_proc();
        do_ctors();
+       usermodehelper_enable();
        do_initcalls();
 }