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path: root/drivers/scsi/3w-9xxx.c
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Diffstat (limited to 'drivers/scsi/3w-9xxx.c')
-rw-r--r--drivers/scsi/3w-9xxx.c7
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index e20b7bd..09a139f 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -92,7 +92,6 @@
#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>
@@ -105,6 +104,7 @@
/* Globals */
#define TW_DRIVER_VERSION "2.26.02.014"
+static DEFINE_MUTEX(twa_chrdev_mutex);
static TW_Device_Extension *twa_device_extension_list[TW_MAX_SLOT];
static unsigned int twa_device_extension_count;
static int twa_major = -1;
@@ -658,7 +658,7 @@ static long twa_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long
int retval = TW_IOCTL_ERROR_OS_EFAULT;
void __user *argp = (void __user *)arg;
- lock_kernel();
+ mutex_lock(&twa_chrdev_mutex);
/* Only let one of these through at a time */
if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
@@ -879,7 +879,7 @@ out3:
out2:
mutex_unlock(&tw_dev->ioctl_lock);
out:
- unlock_kernel();
+ mutex_unlock(&twa_chrdev_mutex);
return retval;
} /* End twa_chrdev_ioctl() */
@@ -890,7 +890,6 @@ static int twa_chrdev_open(struct inode *inode, struct file *file)
unsigned int minor_number;
int retval = TW_IOCTL_ERROR_OS_ENODEV;
- cycle_kernel_lock();
minor_number = iminor(inode);
if (minor_number >= twa_device_extension_count)
goto out;
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