| Message ID | 20190324230700.1956-1-kjlu@umn.edu (mailing list archive) |
|---|---|
| State | Deferred |
| Delegated to: | Samuel Ortiz |
| Headers | show |
| Series | nfc: fix a NULL pointer dereference | expand |
diff --git a/drivers/nfc/st21nfca/se.c b/drivers/nfc/st21nfca/se.c index 4bed9e842db3..fd967a38a94a 100644 --- a/drivers/nfc/st21nfca/se.c +++ b/drivers/nfc/st21nfca/se.c @@ -328,6 +328,8 @@ 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],
In case devm_kzalloc, the fix returns -ENOMEM to avoid the NULL pointer dereference. Signed-off-by: Kangjie Lu <kjlu@umn.edu> --- drivers/nfc/st21nfca/se.c | 2 ++ 1 file changed, 2 insertions(+)