[PATCH 3/6] HID: Add support for setting client_addr in uhid.

[Frank Praznik <frank.praznik@oh.rr.com>]

Add support for setting the client address of a device in uhid.

Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com>
---
 drivers/hid/uhid.c        | 5 +++++
 include/uapi/linux/uhid.h | 1 +
 2 files changed, 6 insertions(+)

diff --git a/drivers/hid/uhid.c b/drivers/hid/uhid.c
index cedc6da..cfd2b93 100644
--- a/drivers/hid/uhid.c
+++ b/drivers/hid/uhid.c
@@ -259,6 +259,7 @@ struct uhid_create_req_compat {
 	__u8 name[128];
 	__u8 phys[64];
 	__u8 uniq[64];
+	__u8 client_addr[6];
 
 	compat_uptr_t rd_data;
 	__u16 rd_size;
@@ -308,6 +309,8 @@ static int uhid_event_from_user(const char __user *buffer, size_t len,
 				sizeof(compat->phys));
 			memcpy(event->u.create.uniq, compat->uniq,
 				sizeof(compat->uniq));
+			memcpy(event->u.create.client_addr, compat->client_addr,
+				sizeof(compat->client_addr));
 
 			event->u.create.rd_data = compat_ptr(compat->rd_data);
 			event->u.create.rd_size = compat->rd_size;
@@ -375,6 +378,8 @@ static int uhid_dev_create(struct uhid_device *uhid,
 	hid->phys[63] = 0;
 	strncpy(hid->uniq, ev->u.create.uniq, 63);
 	hid->uniq[63] = 0;
+	memcpy(hid->client_addr, ev->u.create.client_addr,
+		sizeof(hid->client_addr));
 
 	hid->ll_driver = &uhid_hid_driver;
 	hid->hid_get_raw_report = uhid_hid_get_raw;
diff --git a/include/uapi/linux/uhid.h b/include/uapi/linux/uhid.h
index 414b74b..5e48acc 100644
--- a/include/uapi/linux/uhid.h
+++ b/include/uapi/linux/uhid.h
@@ -40,6 +40,7 @@ struct uhid_create_req {
 	__u8 name[128];
 	__u8 phys[64];
 	__u8 uniq[64];
+	__u8 client_addr[6];
 	__u8 __user *rd_data;
 	__u16 rd_size;
 
-- 
1.8.5.3