t...@fb.com
> Subject: Re: [PATCH net-next] net/tls: Corrected enabling of zero-copy mode
>
> From: Vakul Garg
> Date: Mon, 23 Jul 2018 21:00:06 +0530
>
> > @@ -787,7 +787,7 @@ int tls_sw_recvmsg(struct sock *sk,
> > target = sock_rcvlowat(sk, flags & MSG_WA
From: Vakul Garg
Date: Mon, 23 Jul 2018 21:00:06 +0530
> @@ -787,7 +787,7 @@ int tls_sw_recvmsg(struct sock *sk,
> target = sock_rcvlowat(sk, flags & MSG_WAITALL, len);
> timeo = sock_rcvtimeo(sk, flags & MSG_DONTWAIT);
> do {
> - bool zc = false;
> +
Zero-copy mode was left enabled even when zerocopy_from_iter() failed.
In this case, control falls back to regular non zero-copy mode. This
caused skipping call of datagram copy function skb_copy_datagram_msg()
and required an extra iteration of record decryption loop for decrypted
record to be
