#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>
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;
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;
break;
}
}
- unlock_kernel();
+ mutex_unlock(&aac_mutex);
return err;
}
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;
}
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:
ret = -ENOIOCTLCMD;
break;
}
- unlock_kernel();
+ mutex_unlock(&aac_mutex);
return ret;
}
.compat_ioctl = aac_compat_cfg_ioctl,
#endif
.open = aac_cfg_open,
+ .llseek = noop_llseek,
};
static struct scsi_host_template aac_driver_template = {