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authorChristophe Ricard <christophe.ricard@gmail.com>2015-08-19 21:26:42 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-09-29 19:33:15 +0200
commit1b16cdecec809570ec3e675beeb9e712bdc1107c (patch)
tree5ee1c1f53d5e89a5dde37d14b1d7c5d3788b534a /net
parent9c77c8433506218427025219035069ac7c496ef2 (diff)
nfc: nci: hci: Add check on skb nci_hci_send_cmd parameter
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@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/nfc/nci/hci.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index af002df640c7..609f92283d1b 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -233,7 +233,7 @@ int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, u8 cmd,
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;