hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

vmcp: BKL pushdown 

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/s390/char/vmcp.c
View File

@ -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);
}