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st_nci_hci_connectivity_event_received: null check the allocation

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[ Upstream commit 3008e06fdf0973770370f97d5f1fba3701d8281d ]

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 17:11:51 -05:00
committed by Greg Kroah-Hartman
parent 0d73ba88f4
commit c5cb10632c
1 changed files with 2 additions and 0 deletions
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2
drivers/nfc/st-nci/se.c
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@@ -344,6 +344,8 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev,
transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev, transaction = (struct nfc_evt_transaction *)devm_kzalloc(dev,
skb->len - 2, GFP_KERNEL); skb->len - 2, GFP_KERNEL);
if (!transaction)
return -ENOMEM;
transaction->aid_len = skb->data[1]; transaction->aid_len = skb->data[1];
memcpy(transaction->aid, &skb->data[2], transaction->aid_len); memcpy(transaction->aid, &skb->data[2], transaction->aid_len);