Merge tag 'char-misc-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc

Pull char/misc patches from Greg KH:
 "Here is the big char/misc driver pull request for 3.12-rc1

  Lots of driver updates all over the char/misc tree, full details in
  the shortlog"

* tag 'char-misc-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (62 commits)
  drivers: uio: Kconfig: add MMU dependancy for UIO
  drivers: uio: Add driver for Humusoft MF624 DAQ PCI card
  drivers: uio_pdrv_genirq: use dev_get_platdata()
  drivers: uio_pruss: use dev_get_platdata()
  drivers: uio_dmem_genirq: use dev_get_platdata()
  drivers: parport: Kconfig: exclude h8300 for PARPORT_PC
  drivers: misc: ti-st: fix potential race if st_kim_start fails
  Drivers: hv: vmbus: Do not attempt to negoatiate a new version prematurely
  misc: vmw_balloon: Remove braces to fix build for clang.
  Drivers: hv: vmbus: Fix a bug in the handling of channel offers
  vme: vme_ca91cx42.c: fix to pass correct device identity to free_irq()
  VMCI: Add support for virtual IOMMU
  VMCI: Remove non-blocking/pinned queuepair support
  uio: uio_pruss: remove unnecessary platform_set_drvdata()
  parport: amiga: remove unnecessary platform_set_drvdata()
  vme: vme_vmivme7805.c: add missing __iomem annotation
  vme: vme_ca91cx42.c: add missing __iomem annotation
  vme: vme_tsi148.c: add missing __iomem annotation
  drivers/misc/hpilo: Correct panic when an AUX iLO is detected
  uio: drop unused vma_count member in uio_device struct
  ...

1 files changed, 8 insertions, 7 deletions

diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 21d3f5aa835..e0684b4d9a0 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -635,10 +635,7 @@ int mei_cl_read_start(struct mei_cl *cl, size_t length)
 
 	dev = cl->dev;
 
-	if (cl->state != MEI_FILE_CONNECTED)
-		return -ENODEV;
-
-	if (dev->dev_state != MEI_DEV_ENABLED)
+	if (!mei_cl_is_connected(cl))
 		return -ENODEV;
 
 	if (cl->read_cb) {
@@ -892,18 +889,22 @@ void mei_cl_all_disconnect(struct mei_device *dev)
 
 
 /**
- * mei_cl_all_read_wakeup  - wake up all readings so they can be interrupted
+ * mei_cl_all_wakeup  - wake up all readers and writers they can be interrupted
  *
  * @dev  - mei device
  */
-void mei_cl_all_read_wakeup(struct mei_device *dev)
+void mei_cl_all_wakeup(struct mei_device *dev)
 {
 	struct mei_cl *cl, *next;
 	list_for_each_entry_safe(cl, next, &dev->file_list, link) {
 		if (waitqueue_active(&cl->rx_wait)) {
-			dev_dbg(&dev->pdev->dev, "Waking up client!\n");
+			dev_dbg(&dev->pdev->dev, "Waking up reading client!\n");
 			wake_up_interruptible(&cl->rx_wait);
 		}
+		if (waitqueue_active(&cl->tx_wait)) {
+			dev_dbg(&dev->pdev->dev, "Waking up writing client!\n");
+			wake_up_interruptible(&cl->tx_wait);
+		}
 	}
 }