st_nci_hci_connectivity_event_received: null check the allocation

devm_kzalloc may fail and return NULL. So the null check is needed.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c
index c3e10b6..f25f1ec 100644 (file)
--- a/drivers/nfc/st-nci/se.c
+++ b/drivers/nfc/st-nci/se.c
@@ -333,6 +333,8 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev,
 
                transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev,
                                            skb->len - 2, GFP_KERNEL);
+               if (!transaction)
+                       return -ENOMEM;
 
                transaction->aid_len = skb->data[1];
                memcpy(transaction->aid, &skb->data[2], transaction->aid_len);