From: Christophe Ricard Date: Sun, 25 Oct 2015 21:54:31 +0000 (+0100) Subject: NFC: st21nfca: Keep st21nfca_gates unchanged in load_session X-Git-Tag: firefly_0821_release~176^2~818^2~42^2~29 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=92d108b6f4fcabf45df5fa9631cfc4ada35e9ab1;p=firefly-linux-kernel-4.4.55.git NFC: st21nfca: Keep st21nfca_gates unchanged in load_session We need to keep initial st_nci_gates values in order for nfc_hci_dev_connect_gates to create and open pipe when necessary. For example after a firmware update CLF pipes are cleared. Changing pipe values in st21nfca_gates was causing nfc_hci_dev_connect_gates not using accurate pipes value. Cc: stable@vger.kernel.org Signed-off-by: Christophe Ricard Signed-off-by: Samuel Ortiz --- diff --git a/drivers/nfc/st21nfca/core.c b/drivers/nfc/st21nfca/core.c index 819a94af3964..b4451f83d000 100644 --- a/drivers/nfc/st21nfca/core.c +++ b/drivers/nfc/st21nfca/core.c @@ -190,14 +190,14 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev) if (j < ARRAY_SIZE(st21nfca_gates) && st21nfca_gates[j].gate == info->dst_gate_id && ST21NFCA_DM_IS_PIPE_OPEN(info->pipe_state)) { - st21nfca_gates[j].pipe = pipe_info[2]; + hdev->init_data.gates[j].pipe = pipe_info[2]; hdev->gate2pipe[st21nfca_gates[j].gate] = - st21nfca_gates[j].pipe; - hdev->pipes[st21nfca_gates[j].pipe].gate = - st21nfca_gates[j].gate; - hdev->pipes[st21nfca_gates[j].pipe].dest_host = - info->src_host_id; + pipe_info[2]; + hdev->pipes[pipe_info[2]].gate = + st21nfca_gates[j].gate; + hdev->pipes[pipe_info[2]].dest_host = + info->src_host_id; } kfree_skb(skb_pipe_info); }