mei: rename mei_cl_cb.information to mei_cl_cb.buf_idx
rename 'information' member of the struct mei_cl_cb to
more self-descriptive 'buf_idx'
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index e8b0858..3d4f6d1 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -415,16 +415,15 @@
goto out;
}
- if (cl->read_cb && cl->read_cb->information > *offset) {
+ if (cl->read_cb && cl->read_cb->buf_idx > *offset) {
cb = cl->read_cb;
goto copy_buffer;
- } else if (cl->read_cb && cl->read_cb->information > 0 &&
- cl->read_cb->information <= *offset) {
+ } else if (cl->read_cb && cl->read_cb->buf_idx > 0 &&
+ cl->read_cb->buf_idx <= *offset) {
cb = cl->read_cb;
rets = 0;
goto free;
- } else if ((!cl->read_cb || !cl->read_cb->information) &&
- *offset > 0) {
+ } else if ((!cl->read_cb || !cl->read_cb->buf_idx) && *offset > 0) {
/*Offset needs to be cleaned for contiguous reads*/
*offset = 0;
rets = 0;
@@ -481,16 +480,15 @@
copy_buffer:
dev_dbg(&dev->pdev->dev, "cb->response_buffer size - %d\n",
cb->response_buffer.size);
- dev_dbg(&dev->pdev->dev, "cb->information - %lu\n",
- cb->information);
- if (length == 0 || ubuf == NULL || *offset > cb->information) {
+ dev_dbg(&dev->pdev->dev, "cb->buf_idx - %lu\n", cb->buf_idx);
+ if (length == 0 || ubuf == NULL || *offset > cb->buf_idx) {
rets = -EMSGSIZE;
goto free;
}
- /* length is being truncated to PAGE_SIZE, however, */
- /* information size may be longer */
- length = min_t(size_t, length, (cb->information - *offset));
+ /* length is being truncated to PAGE_SIZE,
+ * however buf_idx may point beyond that */
+ length = min_t(size_t, length, cb->buf_idx - *offset);
if (copy_to_user(ubuf, cb->response_buffer.data + *offset, length)) {
rets = -EFAULT;
@@ -499,7 +497,7 @@
rets = length;
*offset += length;
- if ((unsigned long)*offset < cb->information)
+ if ((unsigned long)*offset < cb->buf_idx)
goto out;
free:
@@ -637,7 +635,7 @@
write_cb->response_buffer.size = dev->iamthif_mtu;
write_cb->major_file_operations = MEI_IOCTL;
- write_cb->information = 0;
+ write_cb->buf_idx = 0;
write_cb->request_buffer.size = length;
if (dev->iamthif_cl.state != MEI_FILE_CONNECTED) {
rets = -ENODEV;
@@ -668,9 +666,8 @@
}
write_cb->major_file_operations = MEI_WRITE;
- /* make sure information is zero before we start */
-
- write_cb->information = 0;
+ /* make sure buffer index is zero before we start */
+ write_cb->buf_idx = 0;
write_cb->request_buffer.size = length;
dev_dbg(&dev->pdev->dev, "host client = %d, ME client = %d\n",
@@ -719,7 +716,7 @@
goto unlock_dev;
}
cl->writing_state = MEI_WRITING;
- write_cb->information = mei_hdr.length;
+ write_cb->buf_idx = mei_hdr.length;
if (mei_hdr.msg_complete) {
if (mei_flow_ctrl_reduce(dev, cl)) {
rets = -ENODEV;
@@ -734,7 +731,7 @@
} else {
- write_cb->information = 0;
+ write_cb->buf_idx = 0;
cl->writing_state = MEI_WRITING;
list_add_tail(&write_cb->cb_list,
&dev->write_list.mei_cb.cb_list);