From 603380f54f837a7837c30713de25cb146254a0d7 Mon Sep 17 00:00:00 2001 From: Jakub Kicinski Date: Tue, 5 Jul 2022 16:59:22 -0700 Subject: [PATCH] tls: rx: don't include tail size in data_len To make future patches easier to review make data_len contain the length of the data, without the tail. Signed-off-by: Jakub Kicinski Signed-off-by: David S. Miller --- net/tls/tls_sw.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index 0513f82b8537..7fcb54e43a08 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -1423,8 +1423,7 @@ static int decrypt_internal(struct sock *sk, struct sk_buff *skb, u8 *aad, *iv, *mem = NULL; struct scatterlist *sgin = NULL; struct scatterlist *sgout = NULL; - const int data_len = rxm->full_len - prot->overhead_size + - prot->tail_size; + const int data_len = rxm->full_len - prot->overhead_size; int iv_offset = 0; if (darg->zc && (out_iov || out_sg)) { @@ -1519,7 +1518,8 @@ static int decrypt_internal(struct sock *sk, struct sk_buff *skb, sg_init_table(sgout, n_sgout); sg_set_buf(&sgout[0], aad, prot->aad_size); - err = tls_setup_from_iter(out_iov, data_len, + err = tls_setup_from_iter(out_iov, + data_len + prot->tail_size, &pages, &sgout[1], (n_sgout - 1)); if (err < 0) @@ -1538,7 +1538,7 @@ fallback_to_reg_recv: /* Prepare and submit AEAD request */ err = tls_do_decryption(sk, skb, sgin, sgout, iv, - data_len, aead_req, darg); + data_len + prot->tail_size, aead_req, darg); if (darg->async) return 0;