[PATCH] st21nfca_connectivity_event_received: null check the allocation
From: Navid Emamdoost <hidden>
Date: 2019-07-23 22:04:44
Also in:
lkml
Subsystem:
nfc subsystem, the rest · Maintainers:
David Heidelberg, Linus Torvalds
devm_kzalloc may fail and return null. So the null check is needed. Signed-off-by: Navid Emamdoost <redacted> --- 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 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],
--
2.17.1