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osst: cdev lock_kernel() pushdown. 

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
This commit is contained in:
Jonathan Corbet 2008-05-15 12:23:19 -06:00
parent eb09d3d4ee
commit 647d87bd1b
1 changed files with 14 additions and 1 deletions
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15
drivers/scsi/osst.c
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@ -50,6 +50,7 @@ static const char * osst_version = "0.99.4";
#include <linux/moduleparam.h>
#include <linux/delay.h>
#include <linux/jiffies.h>
#include <linux/smp_lock.h>
#include <asm/uaccess.h>
#include <asm/dma.h>
#include <asm/system.h>
@ -4359,7 +4360,7 @@ os_bypass:
/* Open the device */
static int os_scsi_tape_open(struct inode * inode, struct file * filp)
static int __os_scsi_tape_open(struct inode * inode, struct file * filp)
{
unsigned short flags;
int i, b_size, new_session = 0, retval = 0;
@ -4725,6 +4726,18 @@ err_out:
return retval;
}
/* BKL pushdown: spaghetti avoidance wrapper */
static int os_scsi_tape_open(struct inode * inode, struct file * filp)
{
int ret;
lock_kernel();
ret = __os_scsi_tape_open(inode, filp);
unlock_kernel();
return ret;
}
/* Flush the tape buffer before close */
static int os_scsi_tape_flush(struct file * filp, fl_owner_t id)