aacraid: IOCTL fix

Driver blocks ioctls once it received shutdown/suspend request during
suspend/hybernation. This patch unblocks ioctls on resume path.
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Murthy Bhat <Murthy.Bhat@pmcs.com>
Reviewed-by: Karthikeya Sunkesula <Karthikeya.Sunkesula@pmcs.com>
Signed-off-by: Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com>
Signed-off-by: James Bottomley <JBottomley@Odin.com>

drivers/scsi/aacraid/linit.c

@@ -1448,6 +1448,11 @@ static int aac_resume(struct pci_dev *pdev)
 	pci_set_master(pdev);
 	if (aac_acquire_resources(aac))
 		goto fail_device;
+	/*
+	* reset this flag to unblock ioctl() as it was set at
+	* aac_send_shutdown() to block ioctls from upperlayer
+	*/
+	aac->adapter_shutdown = 0;
 	scsi_unblock_requests(shost);
 
 	return 0;