mei: do not override a client writing state when buffering
when we buffer write request we should not switch to
MEI_WRITING since this will override MEI_WRITE_COMPLETE
state of preceding write
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 788f647..11a465a 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -731,7 +731,9 @@
}
cl->status = 0;
+ cl->writing_state = MEI_WRITING;
cb->buf_idx += mei_hdr.length;
+
if (mei_hdr.msg_complete) {
if (mei_cl_flow_ctrl_reduce(cl))
return -ENODEV;
@@ -783,7 +785,6 @@
cb->buf_idx = 0;
/* unseting complete will enqueue the cb for write */
mei_hdr.msg_complete = 0;
- cl->writing_state = MEI_WRITING;
rets = buf->size;
goto out;
}