Commit 72f3ad73 authored by Jakub Kicinski's avatar Jakub Kicinski Committed by David S. Miller
Browse files

tls: rx: don't handle TLS 1.3 in the async crypto callback 



Async crypto never worked with TLS 1.3 and was explicitly disabled in
commit 8497ded2 ("net/tls: Disable async decrytion for tls1.3").
There's no need for us to handle TLS 1.3 padding in the async cb.

Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 284b4d93

net/tls/tls_sw.c

+5 −10
Original line number Diff line number Diff line
@@ -188,18 +188,13 @@ static void tls_decrypt_done(struct crypto_async_request *req, int err) 
		tls_err_abort(skb->sk, err);

	} else {

		struct strp_msg *rxm = strp_msg(skb);

		int pad;



		pad = padding_length(prot, skb);

		if (pad < 0) {

			ctx->async_wait.err = pad;

			tls_err_abort(skb->sk, pad);

		} else {

			rxm->full_len -= pad;

		/* No TLS 1.3 support with async crypto */

		WARN_ON(prot->tail_size);



		rxm->offset += prot->prepend_size;

		rxm->full_len -= prot->overhead_size;

	}

	}



	/* After using skb->sk to propagate sk through crypto async callback

	 * we need to NULL it again.