diff options
| author | Eric Lapuyade <eric.lapuyade@linux.intel.com> | 2012-11-26 18:06:27 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2013-01-10 00:51:48 +0100 |
| commit | f0c9103813b3045bd5b43220b6a78c9908a45d24 (patch) | |
| tree | 78422096c0728f84a43c057bcf6ffa185bd13190 /net/nfc/hci/hcp.c | |
| parent | 5f4d6214ef5e9b1ff6a72ddfa387c1d72adfac98 (diff) | |
| download | linux-f0c9103813b3045bd5b43220b6a78c9908a45d24.tar.bz2 | |
NFC: Fixed nfc core and hci unregistration and cleanup
When an adapter is removed, it will unregister itself from hci and/or
nfc core. In order to do that safely, work tasks must first be canceled
and prevented to be scheduled again, before the hci or nfc device can be
destroyed.
Signed-off-by: Eric Lapuyade <eric.lapuyade@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/hci/hcp.c')
| -rw-r--r-- | net/nfc/hci/hcp.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/net/nfc/hci/hcp.c b/net/nfc/hci/hcp.c index bc308a7ca609..b6b4109f2343 100644 --- a/net/nfc/hci/hcp.c +++ b/net/nfc/hci/hcp.c @@ -105,6 +105,13 @@ int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe, } mutex_lock(&hdev->msg_tx_mutex); + + if (hdev->shutting_down) { + err = -ESHUTDOWN; + mutex_unlock(&hdev->msg_tx_mutex); + goto out_skb_err; + } + list_add_tail(&cmd->msg_l, &hdev->msg_tx_queue); mutex_unlock(&hdev->msg_tx_mutex); |