scsi: autoconvert trivial BKL users to private mutex

[deliverable/linux.git] / drivers / scsi / aacraid / linit.c

diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index cad6f9abaeb9cc274ae61ce006788ca236eae4cc..6e233362dd7b455bda776cbb32d802e43d8b83b1 100644 (file)
--- 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;
 }