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authorChristophe Ricard <christophe.ricard@gmail.com>2015-08-19 22:26:42 +0300
committerSamuel Ortiz <sameo@linux.intel.com>2015-08-20 22:56:36 +0300
commit5a9e0ffc0f128ecdf7c770f76c268e4f9f3c9118 (patch)
treec9c878e3ceac94069caa35f23869af463153213e /net/nfc/nci
parentc04c674fadeb4a8e6522fc838d4620f7cfd4c621 (diff)
downloadlinux-5a9e0ffc0f128ecdf7c770f76c268e4f9f3c9118.tar.xz
nfc: nci: hci: Add check on skb nci_hci_send_cmd parameter
skb can be NULL and may lead to a NULL pointer error. Add a check condition before setting HCI rx buffer. Cc: stable@vger.kernel.org Signed-off-by: Christophe Ricard <christophe-h.ricard@st.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'net/nfc/nci')
-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;