mei: use structured buffer for extra write buffer

The structure of the message is static so we don't have
to use and cast the buffer. We can also drop extra_write_index
variable as this information can be extracted directly
from the message header

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

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 02784af1d1a1..49600d6e3726 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -288,7 +288,7 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
                 mei_me_cl_unlink(dev, &dev->iamthif_cl);
 
                 mei_amthif_reset_params(dev);
-                dev->extra_write_index = 0;
+                memset(&dev->wr_ext_msg, 0, sizeof(dev->wr_ext_msg));
         }
 
         dev->me_clients_num = 0;