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path: root/drivers/scsi/3w-sas.c
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Diffstat (limited to 'drivers/scsi/3w-sas.c')
-rw-r--r--drivers/scsi/3w-sas.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index f481e734aad..6a95d111d20 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -64,7 +64,6 @@
#include <linux/pci.h>
#include <linux/time.h>
#include <linux/mutex.h>
-#include <linux/smp_lock.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <asm/irq.h>
@@ -77,6 +76,7 @@
/* Globals */
#define TW_DRIVER_VERSION "3.26.02.000"
+static DEFINE_MUTEX(twl_chrdev_mutex);
static TW_Device_Extension *twl_device_extension_list[TW_MAX_SLOT];
static unsigned int twl_device_extension_count;
static int twl_major = -1;
@@ -764,7 +764,7 @@ static long twl_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long
int retval = -EFAULT;
void __user *argp = (void __user *)arg;
- lock_kernel();
+ mutex_lock(&twl_chrdev_mutex);
/* Only let one of these through at a time */
if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
@@ -861,7 +861,7 @@ out3:
out2:
mutex_unlock(&tw_dev->ioctl_lock);
out:
- unlock_kernel();
+ mutex_unlock(&twl_chrdev_mutex);
return retval;
} /* End twl_chrdev_ioctl() */
@@ -876,7 +876,6 @@ static int twl_chrdev_open(struct inode *inode, struct file *file)
goto out;
}
- cycle_kernel_lock();
minor_number = iminor(inode);
if (minor_number >= twl_device_extension_count)
goto out;
@@ -890,7 +889,8 @@ static const struct file_operations twl_fops = {
.owner = THIS_MODULE,
.unlocked_ioctl = twl_chrdev_ioctl,
.open = twl_chrdev_open,
- .release = NULL
+ .release = NULL,
+ .llseek = noop_llseek,
};
/* This function passes sense data from firmware to scsi layer */