* [PATCH] st_nci_hci_connectivity_event_received: null check the allocation
@ 2019-07-23 22:11 Navid Emamdoost
0 siblings, 0 replies; only message in thread
From: Navid Emamdoost @ 2019-07-23 22:11 UTC (permalink / raw)
Cc: emamd001, kjlu, smccaman, secalert, Navid Emamdoost,
Kate Stewart, Greg Kroah-Hartman, Thomas Gleixner,
Allison Randal, netdev, linux-kernel
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
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2019-07-23 22:11 [PATCH] st_nci_hci_connectivity_event_received: null check the allocation Navid Emamdoost
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