nfc: nci: hci: Add check on skb nci_hci_send_cmd parameter
authorChristophe Ricard <christophe.ricard@gmail.com>
Wed, 19 Aug 2015 19:26:42 +0000 (21:26 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 29 Sep 2015 17:33:15 +0000 (19:33 +0200)
commit1b16cdecec809570ec3e675beeb9e712bdc1107c
tree5ee1c1f53d5e89a5dde37d14b1d7c5d3788b534a
parent9c77c8433506218427025219035069ac7c496ef2
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>
net/nfc/nci/hci.c