[PATCH AUTOSEL 5.2 043/123] st21nfca_connectivity_event_received: null check the allocation

[Sasha Levin]

From: Navid Emamdoost <navid.emamdo...@gmail.com>

[ Upstream commit 9891d06836e67324c9e9c4675ed90fc8b8110034 ]

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

Signed-off-by: Navid Emamdoost <navid.emamdo...@gmail.com>
Signed-off-by: David S. Miller <da...@davemloft.net>
Signed-off-by: Sasha Levin <sas...@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 06fc542fd1987..6586378cacb05 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],
-- 
2.20.1