netdev - [PATCH 1/4] xfrm: Fix deletion of offloaded SAs on failure.

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Message-ID: <1507533399-29399-2-git-send-email-steffen.klassert@secunet.com>
Date:   Mon, 9 Oct 2017 09:16:36 +0200
From:   Steffen Klassert <steffen.klassert@...unet.com>
To:     David Miller <davem@...emloft.net>
CC:     Herbert Xu <herbert@...dor.apana.org.au>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        <netdev@...r.kernel.org>
Subject: [PATCH 1/4] xfrm: Fix deletion of offloaded SAs on failure.

When we off load a SA, it gets pushed to the NIC before we can
add it. In case of a failure, we don't delete this SA from the
NIC. Fix this by calling xfrm_dev_state_delete on failure.

Fixes: d77e38e612a0 ("xfrm: Add an IPsec hardware offloading API")
Reported-by: Shannon Nelson <shannon.nelson@...cle.com>
Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
---
 net/xfrm/xfrm_user.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index 2bfbd91..b997f13 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -657,6 +657,7 @@ static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
 
 	if (err < 0) {
 		x->km.state = XFRM_STATE_DEAD;
+		xfrm_dev_state_delete(x);
 		__xfrm_state_put(x);
 		goto out;
 	}
-- 
2.7.4