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| author | Marcel Holtmann <marcel@holtmann.org> | 2007-09-09 08:39:34 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2007-09-09 08:39:34 +0200 |
| commit | 767c5eb5d35aeb85987143f0a730bc21d3ecfb3d (patch) | |
| tree | f292706a782bfb8d768a3c6f96871b3ba9e5dc81 /net/bluetooth | |
| parent | 26a4a06e7ff2874154eb3f4b4ba0514dc563b100 (diff) | |
| download | linux-767c5eb5d35aeb85987143f0a730bc21d3ecfb3d.tar.gz linux-767c5eb5d35aeb85987143f0a730bc21d3ecfb3d.tar.bz2 linux-767c5eb5d35aeb85987143f0a730bc21d3ecfb3d.zip | |
[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: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/hci_sock.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c index 1dae3dfc66a9..68198a788969 100644 --- a/net/bluetooth/hci_sock.c +++ b/net/bluetooth/hci_sock.c @@ -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); } } |