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Date:   Sun, 15 Oct 2017 10:19:48 +0100
From:   Gilad Ben-Yossef <gilad@...yossef.com>
To:     Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        Jonathan Corbet <corbet@....net>,
        David Howells <dhowells@...hat.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Arnaud Ebalard <arno@...isbad.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Alasdair Kergon <agk@...hat.com>,
        Mike Snitzer <snitzer@...hat.com>, dm-devel@...hat.com,
        Steve French <sfrench@...ba.org>,
        "Theodore Y. Ts'o" <tytso@....edu>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Mimi Zohar <zohar@...ux.vnet.ibm.com>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
        James Morris <james.l.morris@...cle.com>,
        "Serge E. Hallyn" <serge@...lyn.com>
Cc:     Ofir Drang <ofir.drang@....com>, linux-crypto@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        keyrings@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-cifs@...r.kernel.org,
        samba-technical@...ts.samba.org, linux-fscrypt@...r.kernel.org,
        netdev@...r.kernel.org, linux-ima-devel@...ts.sourceforge.net,
        linux-ima-user@...ts.sourceforge.net,
        linux-security-module@...r.kernel.org
Subject: [PATCH v9 03/20] net: use -EAGAIN for transient busy indication

Replace -EBUSY with -EAGAIN when handling transient busy
indication in the absence of backlog.

Signed-off-by: Gilad Ben-Yossef <gilad@...yossef.com>

---

Please squash this patch with the previous one when merging upstream.

 net/ipv4/ah4.c  | 2 +-
 net/ipv4/esp4.c | 2 +-
 net/ipv6/ah6.c  | 2 +-
 net/ipv6/esp6.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/net/ipv4/ah4.c b/net/ipv4/ah4.c
index 37db44f..049cb0a 100644
--- a/net/ipv4/ah4.c
+++ b/net/ipv4/ah4.c
@@ -240,7 +240,7 @@ static int ah_output(struct xfrm_state *x, struct sk_buff *skb)
 		if (err == -EINPROGRESS)
 			goto out;
 
-		if (err == -EBUSY)
+		if (err == -EAGAIN)
 			err = NET_XMIT_DROP;
 		goto out_free;
 	}
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index b00e4a4..ff8e088 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -432,7 +432,7 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
 	case -EINPROGRESS:
 		goto error;
 
-	case -EBUSY:
+	case -EAGAIN:
 		err = NET_XMIT_DROP;
 		break;
 
diff --git a/net/ipv6/ah6.c b/net/ipv6/ah6.c
index 7802b72..ba0c145 100644
--- a/net/ipv6/ah6.c
+++ b/net/ipv6/ah6.c
@@ -443,7 +443,7 @@ static int ah6_output(struct xfrm_state *x, struct sk_buff *skb)
 		if (err == -EINPROGRESS)
 			goto out;
 
-		if (err == -EBUSY)
+		if (err == -EAGAIN)
 			err = NET_XMIT_DROP;
 		goto out_free;
 	}
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 89910e2..1a71ee5 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -396,7 +396,7 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
 	case -EINPROGRESS:
 		goto error;
 
-	case -EBUSY:
+	case -EAGAIN:
 		err = NET_XMIT_DROP;
 		break;
 
-- 
2.7.4

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