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st21nfca_connectivity_event_received: null check the allocation

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

Signed-off-by: Navid Emamdoost <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Navid Emamdoost 2019-07-23 17:04:30 -05:00 • committed by David S. Miller
commit 9891d06836
1 changed files with 2 additions and 0 deletions
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2
drivers/nfc/st21nfca/se.c
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@ -317,6 +317,8 @@ 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],