Merge branch 'linus' into sched/core

Merge reason: pick up the latest fixes.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 14 insertions, 5 deletions

diff --git a/init/main.c b/init/main.c
index 9c51ee7adf3d..03b408dff825 100644
--- a/init/main.c
+++ b/init/main.c
@@ -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();
@@ -722,6 +730,7 @@ static void __init do_basic_setup(void)
         driver_init();
         init_irq_proc();
         do_ctors();
+        usermodehelper_enable();
         do_initcalls();
 }