From dcfb98cf8931dc6bce38eff8e1c82972e1adf484 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Wed, 7 Aug 2024 15:14:23 +0200
Subject: Adding upstream version 6.9.9.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 drivers/nfc/virtual_ncidev.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'drivers/nfc/virtual_ncidev.c')

diff --git a/drivers/nfc/virtual_ncidev.c b/drivers/nfc/virtual_ncidev.c
index 590b038e44..6b89d596ba 100644
--- a/drivers/nfc/virtual_ncidev.c
+++ b/drivers/nfc/virtual_ncidev.c
@@ -125,6 +125,10 @@ static ssize_t virtual_ncidev_write(struct file *file,
 		kfree_skb(skb);
 		return -EFAULT;
 	}
+	if (strnlen(skb->data, count) != count) {
+		kfree_skb(skb);
+		return -EINVAL;
+	}
 
 	nci_recv_frame(vdev->ndev, skb);
 	return count;
-- 
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