tls: Pass error code explicitly to tls_err_abort

Pass EBADMSG explicitly to tls_err_abort.  Receive path will
pass additional codes - EMSGSIZE if framing is larger than max
TLS record size, EINVAL if TLS version mismatch.

Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/include/net/tls.h b/include/net/tls.h
index 019e52d..6b44875 100644 (file)
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -174,9 +174,9 @@ static inline bool tls_is_pending_open_record(struct tls_context *tls_ctx)
        return tls_ctx->pending_open_record_frags;
 }
 
-static inline void tls_err_abort(struct sock *sk)
+static inline void tls_err_abort(struct sock *sk, int err)
 {
-       sk->sk_err = EBADMSG;
+       sk->sk_err = err;
        sk->sk_error_report(sk);
 }
 
@@ -197,7 +197,7 @@ static inline void tls_advance_record_sn(struct sock *sk,
                                         struct cipher_context *ctx)
 {
        if (tls_bigint_increment(ctx->rec_seq, ctx->rec_seq_size))
-               tls_err_abort(sk);
+               tls_err_abort(sk, EBADMSG);
        tls_bigint_increment(ctx->iv + TLS_CIPHER_AES_GCM_128_SALT_SIZE,
                             ctx->iv_size);
 }

diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index 338d743..1c79d9a 100644 (file)
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -214,7 +214,7 @@ static int tls_push_record(struct sock *sk, int flags,
        /* Only pass through MSG_DONTWAIT and MSG_NOSIGNAL flags */
        rc = tls_push_sg(sk, tls_ctx, ctx->sg_encrypted_data, 0, flags);
        if (rc < 0 && rc != -EAGAIN)
-               tls_err_abort(sk);
+               tls_err_abort(sk, EBADMSG);
 
        tls_advance_record_sn(sk, &tls_ctx->tx);
        return rc;