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[RFC,3/5] tls: Pass error code explicitly to tls_err_abort

Message ID 20180308165032.GA19558@davejwatson-mba (mailing list archive)
State Not Applicable
Delegated to: Herbert Xu
Headers show

Commit Message

Dave Watson March 8, 2018, 4:50 p.m. UTC 
Pass EBADMSG explicitly to tls_err_abort.  Receive path will
pass additional codes - E2BIG if framing is larger than max
TLS record size.

Signed-off-by: Dave Watson <davejwatson@fb.com>
---
 include/net/tls.h | 6 +++---
 net/tls/tls_sw.c  | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)
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Patch

diff --git a/include/net/tls.h b/include/net/tls.h
index 019e52d..6b44875 100644
--- 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 dd4441d..6a0a669 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -269,7 +269,7 @@  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;