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s390: Remove BKL from prng 

cycle_kernel_lock() was added during the big BKL pushdown. It should
ensure the serializiation against driver init code. In this case there
is nothing to serialize. Remove it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
LKML-Reference: <20091010153349.601625576@linutronix.de>
Acked-by: Jan Glauber <jang@linux.vnet.ibm.com>
This commit is contained in:
Thomas Gleixner 2009-10-10 10:21:03 +02:00
parent 80f506918f
commit ca1b82ba08
1 changed files with 0 additions and 2 deletions
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2
arch/s390/crypto/prng.c
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@ -6,7 +6,6 @@
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/smp_lock.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@ -49,7 +48,6 @@ static unsigned char parm_block[32] = {
static int prng_open(struct inode *inode, struct file *file)
{
cycle_kernel_lock();
return nonseekable_open(inode, file);
}