netdev - [PATCH net-next 5/8] net/tls: don't re-check msg decrypted status in tls_device

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Message-Id: <20190603221705.12602-6-jakub.kicinski@netronome.com>
Date:   Mon,  3 Jun 2019 15:17:02 -0700
From:   Jakub Kicinski <jakub.kicinski@...ronome.com>
To:     davem@...emloft.net
Cc:     netdev@...r.kernel.org, oss-drivers@...ronome.com,
        alexei.starovoitov@...il.com,
        Jakub Kicinski <jakub.kicinski@...ronome.com>,
        Dirk van der Merwe <dirk.vandermerwe@...ronome.com>
Subject: [PATCH net-next 5/8] net/tls: don't re-check msg decrypted status in tls_device_decrypted()

tls_device_decrypted() is only called from decrypt_skb_update(),
when ctx->decrypted == false, there is no need to re-check the bit.

Signed-off-by: Jakub Kicinski <jakub.kicinski@...ronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@...ronome.com>
---
 net/tls/tls_device.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c
index dde6513628d2..bb9d229832cc 100644
--- a/net/tls/tls_device.c
+++ b/net/tls/tls_device.c
@@ -672,10 +672,6 @@ int tls_device_decrypted(struct sock *sk, struct sk_buff *skb)
 	int is_encrypted = !is_decrypted;
 	struct sk_buff *skb_iter;
 
-	/* Skip if it is already decrypted */
-	if (ctx->sw.decrypted)
-		return 0;
-
 	/* Check if all the data is decrypted already */
 	skb_walk_frags(skb, skb_iter) {
 		is_decrypted &= skb_iter->decrypted;
-- 
2.21.0