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vmcp: BKL pushdown 

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
hifive-unleashed-5.1
Arnd Bergmann 2008-05-20 19:16:59 +02:00 committed by Jonathan Corbet
parent ffe83733b8
commit 6c111d8863
1 changed files with 4 additions and 0 deletions
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4
drivers/s390/char/vmcp.c
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@ -16,6 +16,7 @@
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/smp_lock.h>
#include <asm/cpcmd.h>
#include <asm/debug.h>
#include <asm/uaccess.h>
@ -39,11 +40,14 @@ static int vmcp_open(struct inode *inode, struct file *file)
session = kmalloc(sizeof(*session), GFP_KERNEL);
if (!session)
return -ENOMEM;
lock_kernel();
session->bufsize = PAGE_SIZE;
session->response = NULL;
session->resp_size = 0;
mutex_init(&session->mutex);
file->private_data = session;
unlock_kernel();
return nonseekable_open(inode, file);
}