scsi: autoconvert trivial BKL users to private mutex

[deliverable/linux.git] / drivers / scsi / 3w-9xxx.c

diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index e20b7bdd4c78e2409fc2783ad38e3fbb10e62e55..09a139f61ca4cf1aed924e08b84cf3ecb8f84c56 100644 (file)
--- 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;