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| author | Mathias Jeppsson <mathias.jeppsson@sonymobile.com> | 2012-07-07 00:53:18 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2012-07-10 11:42:50 -0400 |
| commit | 1913e57cf9a7be4565c56a3fbfd85106919ea006 (patch) | |
| tree | b2c0e0c33b42a229b7cba1555a4331f1d511ff42 | |
| parent | b48d96652626b315229b1b82c6270eead6a77a6d (diff) | |
| download | op-kernel-dev-1913e57cf9a7be4565c56a3fbfd85106919ea006.zip op-kernel-dev-1913e57cf9a7be4565c56a3fbfd85106919ea006.tar.gz | |
NFC: Fix empty HCI message list check
list_first_entry() will never return NULL. Instead use
list_for_each_entry_safe() to iterate through the list.
Signed-off-by: Mathias Jeppsson <mathias.jeppsson@sonymobile.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | net/nfc/hci/core.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index e1a640d..da6e039 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -682,13 +682,12 @@ EXPORT_SYMBOL(nfc_hci_register_device); void nfc_hci_unregister_device(struct nfc_hci_dev *hdev) { - struct hci_msg *msg; + struct hci_msg *msg, *n; skb_queue_purge(&hdev->rx_hcp_frags); skb_queue_purge(&hdev->msg_rx_queue); - while ((msg = list_first_entry(&hdev->msg_tx_queue, struct hci_msg, - msg_l)) != NULL) { + list_for_each_entry_safe(msg, n, &hdev->msg_tx_queue, msg_l) { list_del(&msg->msg_l); skb_queue_purge(&msg->msg_frags); kfree(msg); |
