lkml.org 
[lkml]   [2019]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH AUTOSEL 4.4 07/28] 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 c79d99b24c961..f1b96b5255e08 100644
--- a/drivers/nfc/st21nfca/se.c
+++ b/drivers/nfc/st21nfca/se.c
@@ -327,6 +327,8 @@ 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
\
 
 \ /
  Last update: 2019-08-14 04:30    [W:0.099 / U:0.468 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site