linux-kernel - [PATCH 4.14 004/143] xfrm: reset crypto_done when iterating over multiple input xfrms

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Message-Id: <20181102182857.439558411@linuxfoundation.org>
Date:   Fri,  2 Nov 2018 19:33:09 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Sowmini Varadhan <sowmini.varadhan@...cle.com>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.14 004/143] xfrm: reset crypto_done when iterating over multiple input xfrms

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 782710e333a526780d65918d669cb96646983ba2 ]

We only support one offloaded xfrm (we do not have devices that
can handle more than one offload), so reset crypto_done in
xfrm_input() when iterating over multiple transforms in xfrm_input,
so that we can invoke the appropriate x->type->input for the
non-offloaded transforms

Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API")
Signed-off-by: Sowmini Varadhan <sowmini.varadhan@...cle.com>
Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 net/xfrm/xfrm_input.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index 9f492dc417d5..8e75319dd9c0 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -453,6 +453,7 @@ resume:
 			XFRM_INC_STATS(net, LINUX_MIB_XFRMINHDRERROR);
 			goto drop;
 		}
+		crypto_done = false;
 	} while (!err);
 
 	err = xfrm_rcv_cb(skb, family, x->type->proto, 0);
-- 
2.17.1