commit cde2aa99ba702ab8efa583495e54731b9f854e66 upstream.
A secure element can be activated in different order.
The host_list is updated keeping a fixed order:
<terminal_host_id><uicc_id><ese_id>.
Signed-off-by: Christophe Ricard <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
---
drivers/nfc/st21nfca/st21nfca_se.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/nfc/st21nfca/st21nfca_se.c
b/drivers/nfc/st21nfca/st21nfca_se.c
index 3197e9b..0eb42ef 100644
--- a/drivers/nfc/st21nfca/st21nfca_se.c
+++ b/drivers/nfc/st21nfca/st21nfca_se.c
@@ -101,7 +101,7 @@ static int st21nfca_hci_control_se(struct nfc_hci_dev
*hdev, u32 se_idx,
u8 state)
{
struct st21nfca_hci_info *info = nfc_hci_get_clientdata(hdev);
- int r;
+ int r, i;
struct sk_buff *sk_host_list;
u8 se_event, host_id;
@@ -149,7 +149,10 @@ static int st21nfca_hci_control_se(struct nfc_hci_dev
*hdev, u32 se_idx,
if (r < 0)
return r;
- host_id = sk_host_list->data[sk_host_list->len - 1];
+ for (i = 0; i < sk_host_list->len &&
+ sk_host_list->data[i] != se_idx; i++)
+ ;
+ host_id = sk_host_list->data[i];
kfree_skb(sk_host_list);
if (state == ST21NFCA_SE_MODE_ON && host_id == se_idx)
--
2.5.0
--
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