[PATCH 22/30] nfc: st-nci: Fix host_list verification after secure element activation

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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>.

Cc: stable@xxxxxxxxxxxxxxx
Signed-off-by: Christophe Ricard <christophe-h.ricard@xxxxxx>
---
 drivers/nfc/st-nci/st-nci_se.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/nfc/st-nci/st-nci_se.c b/drivers/nfc/st-nci/st-nci_se.c
index ee53fc0..8886072 100644
--- a/drivers/nfc/st-nci/st-nci_se.c
+++ b/drivers/nfc/st-nci/st-nci_se.c
@@ -419,7 +419,7 @@ static int st_nci_control_se(struct nci_dev *ndev, u8 se_idx,
 			     u8 state)
 {
 	struct st_nci_info *info = nci_get_drvdata(ndev);
-	int r;
+	int r, i;
 	struct sk_buff *sk_host_list;
 	u8 host_id;
 
@@ -466,7 +466,10 @@ static int st_nci_control_se(struct nci_dev *ndev, u8 se_idx,
 	if (r != NCI_HCI_ANY_OK)
 		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 == ST_NCI_SE_MODE_ON && host_id == se_idx)
 		return se_idx;
-- 
2.1.4

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