greybus: operation: add explicit padding to message header

Add explicit pad bytes to the message header.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/operation.h b/drivers/staging/greybus/operation.h
index 647e0bf..38684f2 100644 (file)
--- a/drivers/staging/greybus/operation.h
+++ b/drivers/staging/greybus/operation.h
@@ -66,7 +66,7 @@ struct gb_operation_msg_hdr {
        __le16  operation_id;   /* Operation unique id */
        __u8    type;           /* E.g GB_I2C_TYPE_* or GB_GPIO_TYPE_* */
        __u8    result;         /* Result of request (in responses only) */
-       /* 2 bytes pad, must be zero (ignore when read) */
+       __u8    pad[2];         /* must be zero (ignore when read) */
 } __aligned(sizeof(u64));
 
 /*