X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=init%2Fmain.c;h=03b408dff825aed650ac3ec7a3fea2b7845ff9fd;hb=d033e078566faed8c8f59baf97ee57ce2524ef5c;hp=9c51ee7adf3d7edb01bfc501488389d4ca1c45fc;hpb=8b6b4628126fd73d0a53b499a26133c15b73c1e6;p=android-x86%2Fkernel.git

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();
 }