/* Functions */
/* This function returns AENs through sysfs */
-static ssize_t twl_sysfs_aen_read(struct kobject *kobj,
+static ssize_t twl_sysfs_aen_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *outbuf, loff_t offset, size_t count)
{
};
/* This function returns driver compatibility info through sysfs */
-static ssize_t twl_sysfs_compat_info(struct kobject *kobj,
+static ssize_t twl_sysfs_compat_info(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *outbuf, loff_t offset, size_t count)
{
/* This function handles ioctl for the character device
This interface is used by smartmontools open source software */
-static int twl_chrdev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
+static long twl_chrdev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
long timeout;
unsigned long *cpu_addr, data_buffer_length_adjusted = 0, flags = 0;
dma_addr_t dma_handle;
int request_id = 0;
TW_Ioctl_Driver_Command driver_command;
+ struct inode *inode = file->f_dentry->d_inode;
TW_Ioctl_Buf_Apache *tw_ioctl;
TW_Command_Full *full_command_packet;
TW_Device_Extension *tw_dev = twl_device_extension_list[iminor(inode)];
int retval = -EFAULT;
void __user *argp = (void __user *)arg;
+ lock_kernel();
+
/* Only let one of these through at a time */
if (mutex_lock_interruptible(&tw_dev->ioctl_lock)) {
retval = -EINTR;
out2:
mutex_unlock(&tw_dev->ioctl_lock);
out:
+ unlock_kernel();
return retval;
} /* End twl_chrdev_ioctl() */
/* File operations struct for character device */
static const struct file_operations twl_fops = {
.owner = THIS_MODULE,
- .ioctl = twl_chrdev_ioctl,
+ .unlocked_ioctl = twl_chrdev_ioctl,
.open = twl_chrdev_open,
.release = NULL
};