diff options
| -rw-r--r-- | net/tls/tls_sw.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c index ae90749f182a..73ff3fa2e905 100644 --- a/net/tls/tls_sw.c +++ b/net/tls/tls_sw.c @@ -136,22 +136,21 @@ static int padding_length(struct tls_prot_info *prot, struct sk_buff *skb) /* Determine zero-padding length */ if (prot->version == TLS_1_3_VERSION) { - int back = TLS_TAG_SIZE + 1; + int offset = rxm->full_len - TLS_TAG_SIZE - 1; char content_type = 0; int err; while (content_type == 0) { - if (back > rxm->full_len - prot->prepend_size) + if (offset < prot->prepend_size) return -EBADMSG; - err = skb_copy_bits(skb, - rxm->offset + rxm->full_len - back, + err = skb_copy_bits(skb, rxm->offset + offset, &content_type, 1); if (err) return err; if (content_type) break; sub++; - back++; + offset--; } tlm->control = content_type; } |