netdev - [net-next v3 5/5] net/tls: Rework error checking after decrypt_skb

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Date:   Thu, 19 Jul 2018 16:46:43 +0530
From:   Vakul Garg <vakul.garg@....com>
To:     netdev@...r.kernel.org
Cc:     borisp@...lanox.com, aviadye@...lanox.com, davejwatson@...com,
        davem@...emloft.net, Vakul Garg <vakul.garg@....com>
Subject: [net-next v3 5/5] net/tls: Rework error checking after decrypt_skb_update()

Error checking code after invoking decrypt_skb_update() for zero-copy
and non-zero-copy cases in tls_sw_recvmsg has been made common.

Signed-off-by: Vakul Garg <vakul.garg@....com>
---
 net/tls/tls_sw.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/net/tls/tls_sw.c b/net/tls/tls_sw.c
index ae0b40d6671b..da3b884bea93 100644
--- a/net/tls/tls_sw.c
+++ b/net/tls/tls_sw.c
@@ -824,18 +824,16 @@ int tls_sw_recvmsg(struct sock *sk,
 				err = decrypt_skb_update(sk, skb, sgin);
 				for (; pages > 0; pages--)
 					put_page(sg_page(&sgin[pages]));
-				if (err < 0) {
-					tls_err_abort(sk, EBADMSG);
-					goto recv_end;
-				}
 			} else {
 fallback_to_reg_recv:
 				err = decrypt_skb_update(sk, skb, NULL);
-				if (err < 0) {
-					tls_err_abort(sk, EBADMSG);
-					goto recv_end;
-				}
 			}
+
+			if (err < 0) {
+				tls_err_abort(sk, EBADMSG);
+				goto recv_end;
+			}
+
 			ctx->decrypted = true;
 		}
 
-- 
2.13.6