The patch below does not apply to the 4.3-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <[email protected]>.
thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 4e932acc6fd66c905b2d0ca452dcf69321b6c414 Mon Sep 17 00:00:00 2001 From: Christophe Ricard <[email protected]> Date: Sun, 25 Oct 2015 22:54:41 +0100 Subject: [PATCH] NFC: st-nci: Fix host_list verification after SE activation 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: [email protected] Signed-off-by: Christophe Ricard <[email protected]> Signed-off-by: Samuel Ortiz <[email protected]> diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index 3059baa0f12f..1cc24b6623e0 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -423,7 +423,7 @@ 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; @@ -470,7 +470,10 @@ 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; -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
