Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Pull more s390 updates from Martin Schwidefsky:
 "The second patch set for the 4.14 merge window:

   - Convert the dasd device driver to the blk-mq interface.

   - Provide three zcrypt interfaces for vfio_ap. These will be required
     for KVM guest access to the crypto cards attached via the AP bus.

   - A couple of memory management bug fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
  s390/dasd: blk-mq conversion
  s390/mm: use a single lock for the fields in mm_context_t
  s390/mm: fix race on mm->context.flush_mm
  s390/mm: fix local TLB flushing vs. detach of an mm address space
  s390/zcrypt: externalize AP queue interrupt control
  s390/zcrypt: externalize AP config info query
  s390/zcrypt: externalize test AP queue
  s390/mm: use VM_BUG_ON in crst_table_[upgrade|downgrade]

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index e38042ce94e6..c95a4784c191 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -1326,7 +1326,7 @@ dasd_timeout_store(struct device *dev, struct device_attribute *attr,
 {
 	struct dasd_device *device;
 	struct request_queue *q;
-	unsigned long val, flags;
+	unsigned long val;
 
 	device = dasd_device_from_cdev(to_ccwdev(dev));
 	if (IS_ERR(device) || !device->block)
@@ -1342,16 +1342,10 @@ dasd_timeout_store(struct device *dev, struct device_attribute *attr,
 		dasd_put_device(device);
 		return -ENODEV;
 	}
-	spin_lock_irqsave(&device->block->request_queue_lock, flags);
-	if (!val)
-		blk_queue_rq_timed_out(q, NULL);
-	else
-		blk_queue_rq_timed_out(q, dasd_times_out);
 
 	device->blk_timeout = val;
 
 	blk_queue_rq_timeout(q, device->blk_timeout * HZ);
-	spin_unlock_irqrestore(&device->block->request_queue_lock, flags);
 
 	dasd_put_device(device);
 	return count;