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st21nfca_connectivity_event_received: null check the allocation

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[ Upstream commit 9891d06836e67324c9e9c4675ed90fc8b8110034 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Navid Emamdoost 2019-07-23 17:04:30 -05:00 committed by Greg Kroah-Hartman
parent dc84388156
commit c697bfc26a
1 changed files with 2 additions and 0 deletions
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2
drivers/nfc/st21nfca/se.c
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@ -327,6 +327,8 @@ 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],