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NFC: llcp: Detach socket from process context only when releasing the socket 

Calling sock_orphan when e.g. the NFC adapter is removed can lead to
kernel crashes when e.g. a connection less client is sleeping on the
Rx workqueue, waiting for data to show up.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2013-03-20 10:50:50 +01:00
parent 36ef0b473f
commit bec964ed3b
2 changed files with 0 additions and 8 deletions
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6
net/nfc/llcp/llcp.c
View File

@ -107,8 +107,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
accept_sk->sk_state_change(sk); accept_sk->sk_state_change(sk);
bh_unlock_sock(accept_sk); bh_unlock_sock(accept_sk);
sock_orphan(accept_sk);
} }
if (listen == true) { if (listen == true) {
@ -134,8 +132,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
bh_unlock_sock(sk); bh_unlock_sock(sk);
sock_orphan(sk);
sk_del_node_init(sk); sk_del_node_init(sk);
} }
@ -164,8 +160,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen,
bh_unlock_sock(sk); bh_unlock_sock(sk);
sock_orphan(sk);
sk_del_node_init(sk); sk_del_node_init(sk);
} }

2
net/nfc/llcp/sock.c
View File

@ -464,8 +464,6 @@ static int llcp_sock_release(struct socket *sock)
nfc_llcp_accept_unlink(accept_sk); nfc_llcp_accept_unlink(accept_sk);
release_sock(accept_sk); release_sock(accept_sk);
sock_orphan(accept_sk);
} }
} }