st21nfca_connectivity_event_received: null check the allocation
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Message ID 20190723220431.4923-1-navid.emamdoost@gmail.com
State Accepted
Commit 9891d06836e67324c9e9c4675ed90fc8b8110034
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  • st21nfca_connectivity_event_received: null check the allocation
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Commit Message

Navid Emamdoost July 23, 2019, 10:04 p.m. UTC
devm_kzalloc may fail and return null. So the null check is needed.

Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com>
---
 drivers/nfc/st21nfca/se.c | 2 ++
 1 file changed, 2 insertions(+)

Patch
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diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c
index 06fc542fd198..6586378cacb0 100644
--- a/drivers/nfc/st21nfca/se.c
+++ b/drivers/nfc/st21nfca/se.c
@@ -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],