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Subject[PATCH AUTOSEL 4.9 08/33] st21nfca_connectivity_event_received: null check the allocation
Date
From: Navid Emamdoost <navid.emamdoost@gmail.com>

[ 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 3a98563d4a121..eac608a457f03 100644
--- a/drivers/nfc/st21nfca/se.c
+++ b/drivers/nfc/st21nfca/se.c
@@ -326,6 +326,8 @@ 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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