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authorSamuel Ortiz <sameo@linux.intel.com>2013-02-21 17:01:06 +0100
committerSamuel Ortiz <sameo@linux.intel.com>2013-03-08 17:35:22 +0100
commit3bbc0ceb7ac2bf694d31362eea2c71a680e5deeb (patch)
treec03c9ab518bbab232da3b035a956254e87e44ed1 /net/nfc
parente6a3a4bb856a6fba551b43376c80f45836132710 (diff)
NFC: llcp: Report error to pending sockets when a device is removed
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc')
-rw-r--r--net/nfc/llcp/llcp.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c
index 8a35423ead54..b530afadd76c 100644
--- a/net/nfc/llcp/llcp.c
+++ b/net/nfc/llcp/llcp.c
@@ -68,7 +68,8 @@ static void nfc_llcp_socket_purge(struct nfc_llcp_sock *sock)
}
}
-static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
+static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
+ int err)
{
struct sock *sk;
struct hlist_node *tmp;
@@ -100,7 +101,10 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
nfc_llcp_accept_unlink(accept_sk);
+ if (err)
+ accept_sk->sk_err = err;
accept_sk->sk_state = LLCP_CLOSED;
+ accept_sk->sk_state_change(sk);
bh_unlock_sock(accept_sk);
@@ -123,7 +127,10 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
continue;
}
+ if (err)
+ sk->sk_err = err;
sk->sk_state = LLCP_CLOSED;
+ sk->sk_state_change(sk);
bh_unlock_sock(sk);
@@ -150,8 +157,9 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen)
nfc_llcp_socket_purge(llcp_sock);
+ if (err)
+ sk->sk_err = err;
sk->sk_state = LLCP_CLOSED;
-
sk->sk_state_change(sk);
bh_unlock_sock(sk);
@@ -173,7 +181,7 @@ struct nfc_llcp_local *nfc_llcp_local_get(struct nfc_llcp_local *local)
static void local_cleanup(struct nfc_llcp_local *local, bool listen)
{
- nfc_llcp_socket_release(local, listen);
+ nfc_llcp_socket_release(local, listen, ENXIO);
del_timer_sync(&local->link_timer);
skb_queue_purge(&local->tx_queue);
cancel_work_sync(&local->tx_work);
@@ -1382,7 +1390,7 @@ void nfc_llcp_mac_is_down(struct nfc_dev *dev)
return;
/* Close and purge all existing sockets */
- nfc_llcp_socket_release(local, true);
+ nfc_llcp_socket_release(local, true, 0);
}
void nfc_llcp_mac_is_up(struct nfc_dev *dev, u32 target_idx,