st_nci_hci_connectivity_event_received: null check the allocation
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Message ID 20190723221153.6701-1-navid.emamdoost@gmail.com
State Accepted
Commit 3008e06fdf0973770370f97d5f1fba3701d8281d
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  • st_nci_hci_connectivity_event_received: null check the allocation
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Commit Message

Navid Emamdoost July 23, 2019, 10:11 p.m. UTC
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(+)

Patch
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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);