receive: trim incoming packets to IP header length

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/data.c b/src/data.c
index 9210304..d7f9332 100644
--- a/src/data.c
+++ b/src/data.c
@@ -192,7 +192,7 @@ static inline bool skb_decrypt(struct sk_buff *skb, struct noise_symmetric_key *
 	if (!chacha20poly1305_decrypt_sg(sg, sg, skb->len, NULL, 0, PACKET_CB(skb)->nonce, key->key))
 		return false;
 
-	return pskb_trim(skb, skb->len - noise_encrypted_len(0)) == 0;
+	return !pskb_trim(skb, skb->len - noise_encrypted_len(0));
 }
 
 static inline bool get_encryption_nonce(u64 *nonce, struct noise_symmetric_key *key)