From: Arnd Bergmann <arnd@arndb.de>
Date: Tue, 20 May 2008 17:16:00 +0000 (+0200)
Subject: hw-random: BKL pushdown
X-Git-Tag: v2.6.27-rc1~1103^2~58
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a9c4e8f74ba26f10cf78fed7c5b863ea50988856;p=linux-2.6

hw-random: BKL pushdown

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---

diff --git a/drivers/char/hw_random/core.c b/drivers/char/hw_random/core.c
index 662d60e44e..e5d583c84e 100644
--- a/drivers/char/hw_random/core.c
+++ b/drivers/char/hw_random/core.c
@@ -37,6 +37,7 @@
 #include <linux/kernel.h>
 #include <linux/fs.h>
 #include <linux/sched.h>
+#include <linux/smp_lock.h>
 #include <linux/init.h>
 #include <linux/miscdevice.h>
 #include <linux/delay.h>
@@ -86,6 +87,7 @@ static int rng_dev_open(struct inode *inode, struct file *filp)
 		return -EINVAL;
 	if (filp->f_mode & FMODE_WRITE)
 		return -EINVAL;
+	cycle_kernel_lock();
 	return 0;
 }