This is a note to let you know that I've just added the patch titled
nfc: nci: hci: Add check on skb nci_hci_send_cmd parameter
to the 4.2-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
nfc-nci-hci-add-check-on-skb-nci_hci_send_cmd-parameter.patch
and it can be found in the queue-4.2 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 5a9e0ffc0f128ecdf7c770f76c268e4f9f3c9118 Mon Sep 17 00:00:00 2001
From: Christophe Ricard <[email protected]>
Date: Wed, 19 Aug 2015 21:26:42 +0200
Subject: nfc: nci: hci: Add check on skb nci_hci_send_cmd parameter
From: Christophe Ricard <[email protected]>
commit 5a9e0ffc0f128ecdf7c770f76c268e4f9f3c9118 upstream.
skb can be NULL and may lead to a NULL pointer error.
Add a check condition before setting HCI rx buffer.
Signed-off-by: Christophe Ricard <[email protected]>
Signed-off-by: Samuel Ortiz <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
net/nfc/nci/hci.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -233,7 +233,7 @@ int nci_hci_send_cmd(struct nci_dev *nde
r = nci_request(ndev, nci_hci_send_data_req, (unsigned long)&data,
msecs_to_jiffies(NCI_DATA_TIMEOUT));
- if (r == NCI_STATUS_OK)
+ if (r == NCI_STATUS_OK && skb)
*skb = conn_info->rx_skb;
return r;
Patches currently in stable-queue which might be from
[email protected] are
queue-4.2/nfc-st-nci-fix-typo-when-changing-from-st21nfcb-to-st-nci.patch
queue-4.2/nfc-st-nci-remove-duplicate-file-platform_data-st_nci.h.patch
queue-4.2/nfc-st-nci-fix-non-accurate-comment-for-st_nci_i2c_read.patch
queue-4.2/nfc-st-nci-free-data-with-irrelevant-ndlc-pcb_sync-value.patch
queue-4.2/nfc-st-nci-fix-use-of-uninitialized-variables-in-error-path.patch
queue-4.2/nfc-netlink-warning-fix.patch
queue-4.2/nfc-st-nci-remove-data-from-ack_pending_q-when-receiving-a-sync_ack.patch
queue-4.2/nfc-netlink-add-check-on-nfc_attr_vendor_data.patch
queue-4.2/nfc-nci-hci-add-check-on-skb-nci_hci_send_cmd-parameter.patch
queue-4.2/nfc-st21nfca-fix-use-of-uninitialized-variables-in-error-path.patch
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