[SCSI] mpt2sas : running out of message frames

[safe/jmp/linux-2.6] / drivers / scsi / scsi_ioctl.c

diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 28b19ef..b98f763 100644 (file)
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -94,7 +94,7 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
        SCSI_LOG_IOCTL(1, printk("Trying ioctl with scsi command %d\n", *cmd));
 
        result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0,
-                                 &sshdr, timeout, retries);
+                                 &sshdr, timeout, retries, NULL);
 
        SCSI_LOG_IOCTL(2, printk("Ioctl returned  0x%x\n", result));
 
@@ -167,10 +167,17 @@ EXPORT_SYMBOL(scsi_set_medium_removal);
 static int scsi_ioctl_get_pci(struct scsi_device *sdev, void __user *arg)
 {
        struct device *dev = scsi_get_device(sdev->host);
+       const char *name;
 
         if (!dev)
                return -ENXIO;
-        return copy_to_user(arg, dev->bus_id, sizeof(dev->bus_id))? -EFAULT: 0;
+
+       name = dev_name(dev);
+
+       /* compatibility with old ioctl which only returned
+        * 20 characters */
+        return copy_to_user(arg, name, min(strlen(name), (size_t)20))
+               ? -EFAULT: 0;
 }
 
 
@@ -237,7 +244,7 @@ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
        case SCSI_IOCTL_SEND_COMMAND:
                if (!capable(CAP_SYS_ADMIN) || !capable(CAP_SYS_RAWIO))
                        return -EACCES;
-               return sg_scsi_ioctl(NULL, sdev->request_queue, NULL, arg);
+               return sg_scsi_ioctl(sdev->request_queue, NULL, 0, arg);
        case SCSI_IOCTL_DOORLOCK:
                return scsi_set_medium_removal(sdev, SCSI_REMOVAL_PREVENT);
        case SCSI_IOCTL_DOORUNLOCK:
@@ -270,21 +277,21 @@ int scsi_ioctl(struct scsi_device *sdev, int cmd, void __user *arg)
 EXPORT_SYMBOL(scsi_ioctl);
 
 /**
- * scsi_nonblock_ioctl() - Handle SG_SCSI_RESET
+ * scsi_nonblockable_ioctl() - Handle SG_SCSI_RESET
  * @sdev: scsi device receiving ioctl
  * @cmd: Must be SC_SCSI_RESET
  * @arg: pointer to int containing SG_SCSI_RESET_{DEVICE,BUS,HOST}
- * @filp: either NULL or a &struct file which must have the O_NONBLOCK flag.
+ * @ndelay: file mode O_NDELAY flag
  */
 int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
-                           void __user *arg, struct file *filp)
+                           void __user *arg, int ndelay)
 {
        int val, result;
 
        /* The first set of iocts may be executed even if we're doing
         * error processing, as long as the device was opened
         * non-blocking */
-       if (filp && (filp->f_flags & O_NONBLOCK)) {
+       if (ndelay) {
                if (scsi_host_in_recovery(sdev->host))
                        return -ENODEV;
        } else if (!scsi_block_when_processing_errors(sdev))