unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
1
Fork 0
Code Pull requests 5 Wiki Activity

NFC: st21nfca: Keep st21nfca_gates unchanged in load_session

Browse source 
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 <christophe-h.ricard@st.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Christophe Ricard 2015-10-25 22:54:31 +01:00 committed by Samuel Ortiz
parent 22c84c5b23
commit 92d108b6f4
1 changed files with 6 additions and 6 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
drivers/nfc/st21nfca/core.c
View file

@ -190,14 +190,14 @@ static int st21nfca_hci_load_session(struct nfc_hci_dev *hdev)
if (j < ARRAY_SIZE(st21nfca_gates) && if (j < ARRAY_SIZE(st21nfca_gates) &&
st21nfca_gates[j].gate == info->dst_gate_id && st21nfca_gates[j].gate == info->dst_gate_id &&
ST21NFCA_DM_IS_PIPE_OPEN(info->pipe_state)) { 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] = hdev->gate2pipe[st21nfca_gates[j].gate] =
st21nfca_gates[j].pipe; pipe_info[2];
hdev->pipes[st21nfca_gates[j].pipe].gate = hdev->pipes[pipe_info[2]].gate =
st21nfca_gates[j].gate; st21nfca_gates[j].gate;
hdev->pipes[st21nfca_gates[j].pipe].dest_host = hdev->pipes[pipe_info[2]].dest_host =
info->src_host_id; info->src_host_id;
} }
kfree_skb(skb_pipe_info); kfree_skb(skb_pipe_info);
} }