#define MAX_BUF PAGE_SIZE
-/*
- * If we are told to probe a host, we will return 0 if the host is not
- * present, 1 if the host is present, and will return an identifying
- * string at *arg, if arg is non null, filling to the length stored at
- * (int *) arg
+/**
+ * ioctl_probe -- return host identification
+ * @host: host to identify
+ * @buffer: userspace buffer for identification
+ *
+ * Return an identifying string at @buffer, if @buffer is non-NULL, filling
+ * to the length stored at * (int *) @buffer.
*/
-
static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
{
unsigned int len, slen;
const char *string;
- int temp = host->hostt->present;
- if (temp && buffer) {
+ if (buffer) {
if (get_user(len, (unsigned int __user *) buffer))
return -EFAULT;
return -EFAULT;
}
}
- return temp;
+ return 1;
}
/*
break;
}
default: /* Fall through for non-removable media */
- printk(KERN_INFO "ioctl_internal_command: <%d %d %d "
- "%d> return code = %x\n",
- sdev->host->host_no,
- sdev->channel,
- sdev->id,
- sdev->lun,
- result);
+ sdev_printk(KERN_INFO, sdev,
+ "ioctl_internal_command return code = %x\n",
+ result);
scsi_print_sense_hdr(" ", &sshdr);
break;
}
unsigned int inlen, outlen, cmdlen;
unsigned int needed, buf_needed;
int timeout, retries, result;
- int data_direction, gfp_mask = GFP_KERNEL;
+ int data_direction;
+ gfp_t gfp_mask = GFP_KERNEL;
if (!sic)
return -EINVAL;
* Obtain the data to be sent to the device (if any).
*/
- if(copy_from_user(buf, cmd_in + cmdlen, inlen))
+ if(inlen && copy_from_user(buf, cmd_in + cmdlen, inlen))
goto error;
switch (opcode) {
if (copy_to_user(cmd_in, sense, sb_len))
result = -EFAULT;
} else {
- if (copy_to_user(cmd_in, buf, outlen))
+ if (outlen && copy_to_user(cmd_in, buf, outlen))
result = -EFAULT;
}
* error processing, as long as the device was opened
* non-blocking */
if (filp && filp->f_flags & O_NONBLOCK) {
- if (sdev->host->shost_state == SHOST_RECOVERY)
+ if (scsi_host_in_recovery(sdev->host))
return -ENODEV;
} else if (!scsi_block_when_processing_errors(sdev))
return -ENODEV;