From: Fabio Estevam <fabio.estevam@xxxxxxx> devm_kzalloc() may fail, so we should better check for error and propagate the error in the case of allocation failure. This avoids a potential NULL pointer dereference later on. Signed-off-by: Fabio Estevam <fabio.estevam@xxxxxxx> --- drivers/nfc/st21nfca/se.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c index 4bed9e84..fd967a3 100644 --- a/drivers/nfc/st21nfca/se.c +++ b/drivers/nfc/st21nfca/se.c @@ -328,6 +328,8 @@ int st21nfca_connectivity_event_received(struct nfc_hci_dev *hdev, u8 host, 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], -- 2.7.4
