| Message ID | 20190312080746.3849-1-kjlu@umn.edu (mailing list archive) |
|---|---|
| State | Deferred |
| Delegated to: | Samuel Ortiz |
| Headers | show |
| Series | nfc: st-nci: fix a NULL pointer dereference | expand |
diff --git a/drivers/nfc/st-nci/se.c b/drivers/nfc/st-nci/se.c index f55d082ace71..5d6e7e931bc6 100644 --- a/drivers/nfc/st-nci/se.c +++ b/drivers/nfc/st-nci/se.c @@ -344,6 +344,8 @@ 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);
In case devm_kzalloc fails, the fix returns -ENOMEM to avoid NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@umn.edu> --- drivers/nfc/st-nci/se.c | 2 ++ 1 file changed, 2 insertions(+)