1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index cad6f9abaeb9..6e233362dd7b 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -38,7 +38,7 @@
 #include <linux/moduleparam.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
-#include <linux/smp_lock.h>
+#include <linux/mutex.h>
 #include <linux/spinlock.h>
 #include <linux/syscalls.h>
 #include <linux/delay.h>
@@ -76,6 +76,7 @@ MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
 MODULE_LICENSE("GPL");
 MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
 
+static DEFINE_MUTEX(aac_mutex);
 static LIST_HEAD(aac_devices);
 static int aac_cfg_major = -1;
 char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
@@ -678,7 +679,7 @@ static int aac_cfg_open(struct inode *inode, struct file *file)
         unsigned minor_number = iminor(inode);
         int err = -ENODEV;
 
-        lock_kernel();  /* BKL pushdown: nothing else protects this list */
+        mutex_lock(&aac_mutex);  /* BKL pushdown: nothing else protects this list */
         list_for_each_entry(aac, &aac_devices, entry) {
                 if (aac->id == minor_number) {
                         file->private_data = aac;
@@ -686,7 +687,7 @@ static int aac_cfg_open(struct inode *inode, struct file *file)
                         break;
                 }
         }
-        unlock_kernel();
+        mutex_unlock(&aac_mutex);
 
         return err;
 }
@@ -711,9 +712,9 @@ static long aac_cfg_ioctl(struct file *file,
         int ret;
         if (!capable(CAP_SYS_RAWIO))
                 return -EPERM;
-        lock_kernel();
+        mutex_lock(&aac_mutex);
         ret = aac_do_ioctl(file->private_data, cmd, (void __user *)arg);
-        unlock_kernel();
+        mutex_unlock(&aac_mutex);
 
         return ret;
 }
@@ -722,7 +723,7 @@ static long aac_cfg_ioctl(struct file *file,
 static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long arg)
 {
         long ret;
-        lock_kernel();
+        mutex_lock(&aac_mutex);
         switch (cmd) {
         case FSACTL_MINIPORT_REV_CHECK:
         case FSACTL_SENDFIB:
@@ -756,7 +757,7 @@ static long aac_compat_do_ioctl(struct aac_dev *dev, unsigned cmd, unsigned long
                 ret = -ENOIOCTLCMD;
                 break;
         }
-        unlock_kernel();
+        mutex_unlock(&aac_mutex);
         return ret;
 }