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 8497ded2d1 ("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: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jakub Kicinski 2022-04-11 12:19:11 -07:00 committed by David S. Miller
parent 284b4d93da
commit 72f3ad73bc
1 changed files with 5 additions and 10 deletions

View File

@ -188,17 +188,12 @@ 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;
rxm->offset += prot->prepend_size;
rxm->full_len -= prot->overhead_size;
}
/* 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