From: Jakub Kicinski <jakub.kicinski@netronome.com>
Date: Sun, 6 Oct 2019 21:09:32 -0700
Subject: net/tls: store decrypted on a single bit
Patch-mainline: v5.5-rc1
Git-commit: bc76e5bb1229ede1f26317b813099b0e983e4009
References: bsc#1154353

Use a single bit instead of boolean to remember if packet
was already decrypted.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/net/tls.h |    2 +-
 net/tls/tls_sw.c  |    6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -154,7 +154,7 @@ struct tls_sw_context_rx {
 	struct sk_buff *recv_pkt;
 	u8 control;
 	u8 async_capable:1;
-	bool decrypted;
+	u8 decrypted:1;
 	atomic_t decrypt_pending;
 	bool async_notify;
 };
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -1525,7 +1525,7 @@ static int decrypt_skb_update(struct soc
 		rxm->offset += prot->prepend_size;
 		rxm->full_len -= prot->overhead_size;
 		tls_advance_record_sn(sk, prot, &tls_ctx->rx);
-		ctx->decrypted = true;
+		ctx->decrypted = 1;
 		ctx->saved_data_ready(sk);
 	} else {
 		*zc = false;
@@ -1935,7 +1935,7 @@ ssize_t tls_sw_splice_read(struct socket
 			tls_err_abort(sk, EBADMSG);
 			goto splice_read_end;
 		}
-		ctx->decrypted = true;
+		ctx->decrypted = 1;
 	}
 	rxm = strp_msg(skb);
 
@@ -2036,7 +2036,7 @@ static void tls_queue(struct strparser *
 	struct tls_context *tls_ctx = tls_get_ctx(strp->sk);
 	struct tls_sw_context_rx *ctx = tls_sw_ctx_rx(tls_ctx);
 
-	ctx->decrypted = false;
+	ctx->decrypted = 0;
 
 	ctx->recv_pkt = skb;
 	strp_pause(strp);