linux-kernel - [PATCH 3.12 106/122] SUNRPC: Ensure xprt_connect_status handles all potential connection errors

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Message-Id: <6686e9091ed571d4a616d2e655c22e34ded49fcb.1424099974.git.jslaby@suse.cz>
Date:	Tue, 17 Feb 2015 12:34:53 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	Trond Myklebust <trond.myklebust@...marydata.com>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 106/122] SUNRPC: Ensure xprt_connect_status handles all potential connection errors

From: Trond Myklebust <trond.myklebust@...marydata.com>

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

===============

commit 0fe8d04e8c3a1eb49089793e38b60a17cee564e3 upstream.

Currently, xprt_connect_status will convert connection error values such
as ECONNREFUSED, ECONNRESET, ... into EIO, which means that they never
get handled.

Signed-off-by: Trond Myklebust <trond.myklebust@...marydata.com>
Acked-by: NeilBrown <neilb@...e.de>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 net/sunrpc/xprt.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/sunrpc/xprt.c b/net/sunrpc/xprt.c
index 42ce6bfc729d..92ed62ee5a32 100644
--- a/net/sunrpc/xprt.c
+++ b/net/sunrpc/xprt.c
@@ -745,6 +745,11 @@ static void xprt_connect_status(struct rpc_task *task)
 	}
 
 	switch (task->tk_status) {
+	case -ECONNREFUSED:
+	case -ECONNRESET:
+	case -ECONNABORTED:
+	case -ENETUNREACH:
+	case -EHOSTUNREACH:
 	case -EAGAIN:
 		dprintk("RPC: %5u xprt_connect_status: retrying\n", task->tk_pid);
 		break;
-- 
2.2.2

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