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authorJohan Hedberg <johan.hedberg@nokia.com>2010-12-13 21:07:03 +0200
committerGustavo F. Padovan <padovan@profusion.mobi>2010-12-22 22:56:56 -0200
commite41d8b4e131a41f2a3b74aaa783b16aa46376d8e (patch)
tree19de1c961c684614a9631e4446bbb8265f63837d /net/bluetooth
parenta40c406cbdd28dcca3483065bc2ba794cf5aaab7 (diff)
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>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/mgmt.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index d15bf676c35..7ea5489e797 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: