mei: drop read_pending member form struct mei_cl

read_pending never changes, it is a leftover from the old code.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/mei/client.c

@@ -631,7 +631,7 @@ int mei_cl_read_start(struct mei_cl *cl)
 	if (dev->dev_state != MEI_DEV_ENABLED)
 		return -ENODEV;
 
-	if (cl->read_pending || cl->read_cb) {
+	if (cl->read_cb) {
 		dev_dbg(&dev->pdev->dev, "read is pending.\n");
 		return -EBUSY;
 	}

drivers/misc/mei/main.c

@@ -380,7 +380,6 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
 	mei_io_cb_free(cb);
 	cl->reading_state = MEI_IDLE;
 	cl->read_cb = NULL;
-	cl->read_pending = 0;
 out:
 	dev_dbg(&dev->pdev->dev, "end mei read rets= %d\n", rets);
 	mutex_unlock(&dev->device_lock);
@@ -462,9 +461,8 @@ static ssize_t mei_write(struct file *file, const char __user *ubuf,
 			write_cb = NULL;
 			cl->reading_state = MEI_IDLE;
 			cl->read_cb = NULL;
-			cl->read_pending = 0;
 		}
-	} else if (cl->reading_state == MEI_IDLE && !cl->read_pending)
+	} else if (cl->reading_state == MEI_IDLE)
 		*offset = 0;
 
 

drivers/misc/mei/mei_dev.h

@@ -199,7 +199,6 @@ struct mei_cl {
 	wait_queue_head_t tx_wait;
 	wait_queue_head_t rx_wait;
 	wait_queue_head_t wait;
-	int read_pending;
 	int status;
 	/* ID of client connected */
 	u8 host_client_id;