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[Bluetooth] Add compat handling for timestamp structure

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

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2007-09-09 08:39:34 +02:00
parent 26a4a06e7f
commit 767c5eb5d3
1 changed files with 16 additions and 1 deletions
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17
net/bluetooth/hci_sock.c
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@ -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);
}
}