linux-kernel - [PATCH 02/27] rxrpc: Map the EACCES error produced by some ICMP6 to EHOSTUNREACH

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Message-ID: <159078961633.679399.6049692176688342256.stgit@warthog.procyon.org.uk>
Date:   Fri, 29 May 2020 23:00:16 +0100
From:   David Howells <dhowells@...hat.com>
To:     linux-afs@...ts.infradead.org
Cc:     dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 02/27] rxrpc: Map the EACCES error produced by some ICMP6 to
 EHOSTUNREACH

Map the EACCES error that is produced by some ICMP6 packets to EHOSTUNREACH
when we get them as EACCES has other meanings within a filesystem context.

Signed-off-by: David Howells <dhowells@...hat.com>
---

 net/rxrpc/peer_event.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/net/rxrpc/peer_event.c b/net/rxrpc/peer_event.c
index b1449d971883..112e490ebbcd 100644
--- a/net/rxrpc/peer_event.c
+++ b/net/rxrpc/peer_event.c
@@ -271,6 +271,9 @@ static void rxrpc_store_error(struct rxrpc_peer *peer,
 		break;
 
 	case SO_EE_ORIGIN_ICMP6:
+		if (err == EACCES)
+			err = EHOSTUNREACH;
+		/* Fall through */
 	default:
 		_proto("Rx Received error report { orig=%u }", ee->ee_origin);
 		break;