#include <linux/uaccess.h>
+struct opal_prd_msg {
+ union {
+ struct opal_prd_msg_header header;
+ DECLARE_FLEX_ARRAY(u8, data);
+ };
+};
+
/*
* The msg member must be at the end of the struct, as it's followed by the
* message data.
*/
struct opal_prd_msg_queue_item {
- struct list_head list;
- struct opal_prd_msg_header msg;
+ struct list_head list;
+ struct opal_prd_msg msg;
};
static struct device_node *prd_node;
int rc;
/* we need at least a header's worth of data */
- if (count < sizeof(item->msg))
+ if (count < sizeof(item->msg.header))
return -EINVAL;
if (*ppos)
return -EINTR;
}
- size = be16_to_cpu(item->msg.size);
+ size = be16_to_cpu(item->msg.header.size);
if (size > count) {
err = -EINVAL;
goto err_requeue;
if (!item)
return -ENOMEM;
- memcpy(&item->msg, msg->params, msg_size);
+ memcpy(&item->msg.data, msg->params, msg_size);
spin_lock_irqsave(&opal_prd_msg_queue_lock, flags);
list_add_tail(&item->list, &opal_prd_msg_queue);