[PATCH] handle errors returned by platform_get_irq*()

[linux-2.6] / net / bluetooth / hci_sock.c

diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 799e448750ad906114c85c3a908e10ab44ec7cb4..97bdec73d17e9fcbc4ffdfcb75c5613c3b9e9c44 100644 (file)
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -28,6 +28,7 @@
 #include <linux/module.h>
 
 #include <linux/types.h>
+#include <linux/capability.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
@@ -142,13 +143,15 @@ void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb)
 static int hci_sock_release(struct socket *sock)
 {
        struct sock *sk = sock->sk;
-       struct hci_dev *hdev = hci_pi(sk)->hdev;
+       struct hci_dev *hdev;
 
        BT_DBG("sock %p sk %p", sock, sk);
 
        if (!sk)
                return 0;
 
+       hdev = hci_pi(sk)->hdev;
+
        bt_sock_unlink(&hci_sk_list, sk);
 
        if (hdev) {
@@ -310,14 +313,18 @@ static int hci_sock_getname(struct socket *sock, struct sockaddr *addr, int *add
 {
        struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr;
        struct sock *sk = sock->sk;
+       struct hci_dev *hdev = hci_pi(sk)->hdev;
 
        BT_DBG("sock %p sk %p", sock, sk);
 
+       if (!hdev)
+               return -EBADFD;
+
        lock_sock(sk);
 
        *addr_len = sizeof(*haddr);
        haddr->hci_family = AF_BLUETOOTH;
-       haddr->hci_dev    = hci_pi(sk)->hdev->id;
+       haddr->hci_dev    = hdev->id;
 
        release_sock(sk);
        return 0;
@@ -416,7 +423,7 @@ static int hci_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
        skb->dev = (void *) hdev;
 
        if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
-               u16 opcode = __le16_to_cpu(get_unaligned((u16 *)skb->data));
+               u16 opcode = __le16_to_cpu(get_unaligned((__le16 *) skb->data));
                u16 ogf = hci_opcode_ogf(opcode);
                u16 ocf = hci_opcode_ocf(opcode);
 
@@ -575,7 +582,7 @@ static int hci_sock_getsockopt(struct socket *sock, int level, int optname, char
        return 0;
 }
 
-static struct proto_ops hci_sock_ops = {
+static const struct proto_ops hci_sock_ops = {
        .family         = PF_BLUETOOTH,
        .owner          = THIS_MODULE,
        .release        = hci_sock_release,