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authorSamuel Ortiz <sameo@linux.intel.com>2012-05-04 11:24:16 +0200
committerSamuel Ortiz <sameo@linux.intel.com>2012-06-04 21:34:28 +0200
commitc7aa12252f5142b9eee2f6e34ca8870a8e7e048c (patch)
treee91c72609e7d13b3a185cf75acd74a8385c736c5 /net/nfc/llcp/sock.c
parentf8f5701bdaf9134b1f90e5044a82c66324d2073f (diff)
NFC: Take a reference on the LLCP local pointer when creating a socket
LLCP sockets point to their local LLCP service, so they need to take a reference on it. Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/llcp/sock.c')
-rw-r--r--net/nfc/llcp/sock.c14
1 files changed, 5 insertions, 9 deletions
diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c
index 3f339b19d140..9ac397b17718 100644
--- a/net/nfc/llcp/sock.c
+++ b/net/nfc/llcp/sock.c
@@ -111,7 +111,7 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
}
llcp_sock->dev = dev;
- llcp_sock->local = local;
+ llcp_sock->local = nfc_llcp_local_get(local);
llcp_sock->nfc_protocol = llcp_addr.nfc_protocol;
llcp_sock->service_name_len = min_t(unsigned int,
llcp_addr.service_name_len,
@@ -487,7 +487,7 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr,
}
llcp_sock->dev = dev;
- llcp_sock->local = local;
+ llcp_sock->local = nfc_llcp_local_get(local);
llcp_sock->ssap = nfc_llcp_get_local_ssap(local);
if (llcp_sock->ssap == LLCP_SAP_MAX) {
ret = -ENOMEM;
@@ -701,8 +701,6 @@ struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp)
void nfc_llcp_sock_free(struct nfc_llcp_sock *sock)
{
- struct nfc_llcp_local *local = sock->local;
-
kfree(sock->service_name);
skb_queue_purge(&sock->tx_queue);
@@ -710,13 +708,11 @@ void nfc_llcp_sock_free(struct nfc_llcp_sock *sock)
skb_queue_purge(&sock->tx_backlog_queue);
list_del_init(&sock->accept_queue);
-
- if (local != NULL && sock == local->sockets[sock->ssap])
- local->sockets[sock->ssap] = NULL;
- else
- list_del_init(&sock->list);
+ list_del_init(&sock->list);
sock->parent = NULL;
+
+ nfc_llcp_local_put(sock->local);
}
static int llcp_sock_create(struct net *net, struct socket *sock,