| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.19 15/98] st21nfca_connectivity_event_received: null check the allocation | Date | Tue, 27 Aug 2019 09:49:54 +0200 |
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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> --- 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 4bed9e842db38..fd967a38a94a5 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], -- 2.20.1
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