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Date: Sat, 26 Sep 2015 13:54:08 -0700 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Christophe Ricard <christophe-h.ricard@...com>, Samuel Ortiz <sameo@...ux.intel.com> Subject: [PATCH 4.1 002/159] nfc: nci: hci: Add check on skb nci_hci_send_cmd parameter 4.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christophe Ricard <christophe.ricard@...il.com> 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 <christophe-h.ricard@...com> Signed-off-by: Samuel Ortiz <sameo@...ux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- 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; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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