Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6
* 'bkl-removal' of git://git.lwn.net/linux-2.6: (146 commits) IB/umad: BKL is not needed for ib_umad_open() IB/uverbs: BKL is not needed for ib_uverbs_open() bf561-coreb: BKL unneeded for open() Call fasync() functions without the BKL snd/PCM: fasync BKL pushdown ipmi: fasync BKL pushdown ecryptfs: fasync BKL pushdown Bluetooth VHCI: fasync BKL pushdown tty_io: fasync BKL pushdown tun: fasync BKL pushdown i2o: fasync BKL pushdown mpt: fasync BKL pushdown Remove BKL from remote_llseek v2 Make FAT users happier by not deadlocking x86-mce: BKL pushdown vmwatchdog: BKL pushdown vmcp: BKL pushdown via-pmu: BKL pushdown uml-random: BKL pushdown uml-mmapper: BKL pushdown ...
This commit is contained in:
@ -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);
|
||||
}
|
||||
|
||||
|
Reference in New Issue
Block a user