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hw-random: BKL pushdown 

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2008-05-20 19:16:00 +02:00 committed by Jonathan Corbet
parent 48b8188051
commit a9c4e8f74b
1 changed files with 2 additions and 0 deletions
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2
drivers/char/hw_random/core.c
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@ -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;
}