Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 767c5eb5 authored by Marcel Holtmann's avatar Marcel Holtmann
Browse files

[Bluetooth] Add compat handling for timestamp structure



The timestamp structure needs special handling in case of compat
programs. Use the same wrapping method the network core uses.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
parent 26a4a06e
Loading
Loading
Loading
Loading
+16 −1
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@
#include <linux/skbuff.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/compat.h>
#include <linux/socket.h>
#include <linux/ioctl.h>
#include <net/sock.h>
@@ -342,9 +343,23 @@ static inline void hci_sock_cmsg(struct sock *sk, struct msghdr *msg, struct sk_

	if (mask & HCI_CMSG_TSTAMP) {
		struct timeval tv;
		void *data;
		int len;

		skb_get_timestamp(skb, &tv);
		put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, sizeof(tv), &tv);

		if (msg->msg_flags & MSG_CMSG_COMPAT) {
			struct compat_timeval ctv;
			ctv.tv_sec = tv.tv_sec;
			ctv.tv_usec = tv.tv_usec;
			data = &ctv;
			len = sizeof(ctv);
		} else {
			data = &tv;
			len = sizeof(tv);
		}

		put_cmsg(msg, SOL_HCI, HCI_CMSG_TSTAMP, len, data);
	}
}