[-mm Patch] net/bluetooth/hidp/core.c: Make hidp_setup_input() return int

WANG Cong
2007-09-24T11:35:24Z

This patch:
- makes hidp_setup_input() return int to indicate errors;
- checks its return value to handle errors.

And this time it is against -rc7-mm1 tree.

Thanks to roel and Marcel Holtmann for comments.

Signed-off-by: WANG Cong <xiyou.wangcong@gmail.com>

---
net/bluetooth/hidp/core.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

Index: linux-2.6.23-rc7-mm1/net/bluetooth/hidp/core.c
===================================================================
--- linux-2.6.23-rc7-mm1.orig/net/bluetooth/hidp/core.c
+++ linux-2.6.23-rc7-mm1/net/bluetooth/hidp/core.c
@@ -625,7 +625,7 @@ static struct device *hidp_get_device(st
return conn ? &conn->dev : NULL;
}

-static inline void hidp_setup_input(struct hidp_session *session, struct hidp_connadd_req *req)
+static inline int hidp_setup_input(struct hidp_session *session, struct hidp_connadd_req *req)
{
struct input_dev *input = session->input;
int i;
@@ -669,7 +669,7 @@ static inline void hidp_setup_input(stru

input->event = hidp_input_event;

- input_register_device(input);
+ return input_register_device(input);
}

static int hidp_open(struct hid_device *hid)
@@ -822,8 +822,11 @@ int hidp_add_connection(struct hidp_conn
session->flags = req->flags & (1 << HIDP_BLUETOOTH_VENDOR_ID);
session->idle_to = req->idle_to;

- if (session->input)
- hidp_setup_input(session, req);
+ if (session->input) {
+ err = hidp_setup_input(session, req);
+ if (err < 0)
+ goto failed;
+ }

if (session->hid)
hidp_setup_hid(session, req);