Input: synaptics - handle spurious release of trackstick buttons, again

[pandora-kernel.git] / drivers / scsi / device_handler / scsi_dh.c

diff --git a/drivers/scsi/device_handler/scsi_dh.c b/drivers/scsi/device_handler/scsi_dh.c
index 7c05fd9..23149b9 100644 (file)
--- a/drivers/scsi/device_handler/scsi_dh.c
+++ b/drivers/scsi/device_handler/scsi_dh.c
@@ -22,6 +22,7 @@
  */
 
 #include <linux/slab.h>
+#include <linux/module.h>
 #include <scsi/scsi_dh.h>
 #include "../scsi_priv.h"
 
@@ -441,7 +442,15 @@ int scsi_dh_activate(struct request_queue *q, activate_complete fn, void *data)
 
        spin_lock_irqsave(q->queue_lock, flags);
        sdev = q->queuedata;
-       if (sdev && sdev->scsi_dh_data)
+       if (!sdev) {
+               spin_unlock_irqrestore(q->queue_lock, flags);
+               err = SCSI_DH_NOSYS;
+               if (fn)
+                       fn(data, err);
+               return err;
+       }
+
+       if (sdev->scsi_dh_data)
                scsi_dh = sdev->scsi_dh_data->scsi_dh;
        dev = get_device(&sdev->sdev_gendev);
        if (!scsi_dh || !dev ||