diff options
| author | Samuel Ortiz <sameo@linux.intel.com> | 2013-03-20 09:50:50 (GMT) |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-03-20 10:30:37 (GMT) |
| commit | bec964ed3b2549086e1fdfbf7f1ce8c22f89baa4 (patch) | |
| tree | 475d489bbe9e6c753e2a280094cfa7672c6d7c99 /net/nfc/llcp | |
| parent | 36ef0b473fbf43d5db23eea4616cc1d18cec245f (diff) | |
| download | linux-fsl-qoriq-bec964ed3b2549086e1fdfbf7f1ce8c22f89baa4.tar.xz | |
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>
Diffstat (limited to 'net/nfc/llcp')
| -rw-r--r-- | net/nfc/llcp/llcp.c | 6 | ||||
| -rw-r--r-- | net/nfc/llcp/sock.c | 2 |
2 files changed, 0 insertions, 8 deletions
diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index b530afa..336813f 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -107,8 +107,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen, accept_sk->sk_state_change(sk); bh_unlock_sock(accept_sk); - - sock_orphan(accept_sk); } if (listen == true) { @@ -134,8 +132,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local, bool listen, bh_unlock_sock(sk); - sock_orphan(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); - sock_orphan(sk); - sk_del_node_init(sk); } diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 5c7cdf3..e488e44 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -464,8 +464,6 @@ static int llcp_sock_release(struct socket *sock) nfc_llcp_accept_unlink(accept_sk); release_sock(accept_sk); - - sock_orphan(accept_sk); } } |