Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw

[~andy/linux] / drivers / misc / mei / client.c

diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 9541aa90d8f7687ed3d64296ada99dc2054afc8a..e310ca6ed1a34b2f78e8e02de45cb9cf222614ac 100644 (file)
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -109,7 +109,7 @@ void mei_io_cb_free(struct mei_cl_cb *cb)
  * mei_io_cb_init - allocate and initialize io callback
  *
  * @cl - mei client
- * @file: pointer to file structure
+ * @fp: pointer to file structure
  *
  * returns mei_cl_cb pointer or NULL;
  */
@@ -132,8 +132,8 @@ struct mei_cl_cb *mei_io_cb_init(struct mei_cl *cl, struct file *fp)
 /**
  * mei_io_cb_alloc_req_buf - allocate request buffer
  *
- * @cb -  io callback structure
- * @size: size of the buffer
+ * @cb: io callback structure
+ * @length: size of the buffer
  *
  * returns 0 on success
  *         -EINVAL if cb is NULL
@@ -154,10 +154,10 @@ int mei_io_cb_alloc_req_buf(struct mei_cl_cb *cb, size_t length)
        return 0;
 }
 /**
- * mei_io_cb_alloc_req_buf - allocate respose buffer
+ * mei_io_cb_alloc_resp_buf - allocate respose buffer
  *
- * @cb -  io callback structure
- * @size: size of the buffer
+ * @cb: io callback structure
+ * @length: size of the buffer
  *
  * returns 0 on success
  *         -EINVAL if cb is NULL
@@ -183,7 +183,6 @@ int mei_io_cb_alloc_resp_buf(struct mei_cl_cb *cb, size_t length)
 /**
  * mei_cl_flush_queues - flushes queue lists belonging to cl.
  *
- * @dev: the device structure
  * @cl: host client
  */
 int mei_cl_flush_queues(struct mei_cl *cl)
@@ -244,7 +243,8 @@ struct mei_cl *mei_cl_allocate(struct mei_device *dev)
 /**
  * mei_cl_find_read_cb - find this cl's callback in the read list
  *
- * @dev: device structure
+ * @cl: host client
+ *
  * returns cb on success, NULL on error
  */
 struct mei_cl_cb *mei_cl_find_read_cb(struct mei_cl *cl)
@@ -263,6 +263,7 @@ struct mei_cl_cb *mei_cl_find_read_cb(struct mei_cl *cl)
  *
  * @cl - host client
  * @id - fixed host id or -1 for genereting one
+ *
  * returns 0 on success
  *     -EINVAL on incorrect values
  *     -ENONET if client not found
@@ -302,7 +303,7 @@ int mei_cl_link(struct mei_cl *cl, int id)
 /**
  * mei_cl_unlink - remove me_cl from the list
  *
- * @dev: the device structure
+ * @cl: host client
  */
 int mei_cl_unlink(struct mei_cl *cl)
 {
@@ -538,7 +539,6 @@ out:
 /**
  * mei_cl_flow_ctrl_creds - checks flow_control credits for cl.
  *
- * @dev: the device structure
  * @cl: private data of the file object
  *
  * returns 1 if mei_flow_ctrl_creds >0, 0 - otherwise.
@@ -579,8 +579,8 @@ int mei_cl_flow_ctrl_creds(struct mei_cl *cl)
 /**
  * mei_cl_flow_ctrl_reduce - reduces flow_control.
  *
- * @dev: the device structure
  * @cl: private data of the file object
+ *
  * @returns
  *     0 on success
  *     -ENOENT when me client is not found
@@ -618,13 +618,13 @@ int mei_cl_flow_ctrl_reduce(struct mei_cl *cl)
 }
 
 /**
- * mei_cl_start_read - the start read client message function.
+ * mei_cl_read_start - the start read client message function.
  *
  * @cl: host client
  *
  * returns 0 on success, <0 on failure.
  */
-int mei_cl_read_start(struct mei_cl *cl)
+int mei_cl_read_start(struct mei_cl *cl, size_t length)
 {
        struct mei_device *dev;
        struct mei_cl_cb *cb;
@@ -657,8 +657,9 @@ int mei_cl_read_start(struct mei_cl *cl)
        if (!cb)
                return -ENOMEM;
 
-       rets = mei_io_cb_alloc_resp_buf(cb,
-                       dev->me_clients[i].props.max_msg_length);
+       /* always allocate at least client max message */
+       length = max_t(size_t, length, dev->me_clients[i].props.max_msg_length);
+       rets = mei_io_cb_alloc_resp_buf(cb, length);
        if (rets)
                goto err;