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-rw-r--r--drivers/nfc/st21nfca/st21nfca_dep.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/nfc/st21nfca/st21nfca_dep.c b/drivers/nfc/st21nfca/st21nfca_dep.c
index b6de27b..6c09a66 100644
--- a/drivers/nfc/st21nfca/st21nfca_dep.c
+++ b/drivers/nfc/st21nfca/st21nfca_dep.c
@@ -211,6 +211,11 @@ static int st21nfca_tm_recv_atr_req(struct nfc_hci_dev *hdev,
atr_req = (struct st21nfca_atr_req *)skb->data;
+ if (atr_req->length < sizeof(struct st21nfca_atr_req)) {
+ r = -EPROTO;
+ goto exit;
+ }
+
r = st21nfca_tm_send_atr_res(hdev, atr_req);
if (r)
goto exit;
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