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From: Navid Emamdoost <navid.emamdoost@gmail.com>
To: unlisted-recipients:; (no To-header on input)
Cc: emamd001@umn.edu, kjlu@umn.edu, smccaman@umn.edu,
	secalert@redhat.com, Navid Emamdoost <navid.emamdoost@gmail.com>,
	Kate Stewart <kstewart@linuxfoundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Allison Randal <allison@lohutok.net>,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] st_nci_hci_connectivity_event_received: null check the allocation
Date: Tue, 23 Jul 2019 17:11:51 -0500	[thread overview]
Message-ID: <20190723221153.6701-1-navid.emamdoost@gmail.com> (raw)

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

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

diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c
index c3e10b6ab3a4..f25f1ec5f9e9 100644
--- a/drivers/nfc/st-nci/se.c
+++ b/drivers/nfc/st-nci/se.c
@@ -333,6 +333,8 @@ static int st_nci_hci_connectivity_event_received(struct nci_dev *ndev,
 
 		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], transaction->aid_len);
-- 
2.17.1


                 reply	other threads:[~2019-07-23 22:12 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

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