From e41d8b4e131a41f2a3b74aaa783b16aa46376d8e Mon Sep 17 00:00:00 2001
From: Johan Hedberg <johan.hedberg@nokia.com>
Date: Mon, 13 Dec 2010 21:07:03 +0200
Subject: [PATCH] Bluetooth: Add error handling for managment command handlers
The command handlers for bluetooth management messaging should be able
to report errors (such as memory allocation failures) to the higher
levels in the call stack.
Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
---
net/bluetooth/mgmt.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index d15bf676c350..7ea5489e7977 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -29,7 +29,7 @@
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/mgmt.h>
-static void cmd_status(struct sock *sk, u16 cmd, u8 status)
+static int cmd_status(struct sock *sk, u16 cmd, u8 status)
{
struct sk_buff *skb;
struct mgmt_hdr *hdr;
@@ -39,7 +39,7 @@ static void cmd_status(struct sock *sk, u16 cmd, u8 status)
skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC);
if (!skb)
- return;
+ return -ENOMEM;
hdr = (void *) skb_put(skb, sizeof(*hdr));
@@ -52,6 +52,8 @@ static void cmd_status(struct sock *sk, u16 cmd, u8 status)
if (sock_queue_rcv_skb(sk, skb) < 0)
kfree_skb(skb);
+
+ return 0;
}
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
@@ -87,10 +89,13 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
switch (opcode) {
default:
BT_DBG("Unknown op %u", opcode);
- cmd_status(sk, opcode, 0x01);
+ err = cmd_status(sk, opcode, 0x01);
break;
}
+ if (err < 0)
+ goto done;
+
err = msglen;
done:
--
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