linux-kernel - [-mm Patch] net/bluetooth/hidp/core.c: Make hidp_setup

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Message-ID: <20070923030105.GH2475@hacking>
Date:	Sun, 23 Sep 2007 11:01:05 +0800
From:	WANG Cong <xiyou.wangcong@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org, marcel@...tmann.org,
	bluez-devel@...ts.sf.net, maxk@...lcomm.com
Subject: [-mm Patch] net/bluetooth/hidp/core.c: Make hidp_setup_input()
	return int


This patch does the following things:

- Make hidp_setup_input() return int to indicate errors.
- Check its return value to handle errors.

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

---
 net/bluetooth/hidp/core.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

Index: linux-2.6.23-rc6-mm1/net/bluetooth/hidp/core.c
===================================================================
--- linux-2.6.23-rc6-mm1.orig/net/bluetooth/hidp/core.c
+++ linux-2.6.23-rc6-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)
@@ -823,7 +823,8 @@ int hidp_add_connection(struct hidp_conn
 	session->idle_to = req->idle_to;
 
 	if (session->input)
-		hidp_setup_input(session, req);
+		if ((err = (hidp_setup_input(session, req))))
+			goto failed;
 
 	if (session->hid)
 		hidp_setup_hid(session, req);
-
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