linux-kernel - [ 45/70] SUNRPC: return negative value in case rpcbind client creation error

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Message-Id: <20120807032802.644504679@decadent.org.uk>
Date:	Tue, 07 Aug 2012 04:28:40 +0100
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk,
	Stanislav Kinsbursky <skinsbursky@...allels.com>,
	Trond Myklebust <Trond.Myklebust@...app.com>
Subject: [ 45/70] SUNRPC: return negative value in case rpcbind client creation error

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

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

From: Stanislav Kinsbursky <skinsbursky@...allels.com>

commit caea33da898e4e14f0ba58173e3b7689981d2c0b upstream.

Without this patch kernel will panic on LockD start, because lockd_up() checks
lockd_up_net() result for negative value.
>>From my pow it's better to return negative value from rpcbind routines instead
of replacing all such checks like in lockd_up().

Signed-off-by: Stanislav Kinsbursky <skinsbursky@...allels.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@...app.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 net/sunrpc/rpcb_clnt.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/sunrpc/rpcb_clnt.c b/net/sunrpc/rpcb_clnt.c
index 92509ff..a70acae 100644
--- a/net/sunrpc/rpcb_clnt.c
+++ b/net/sunrpc/rpcb_clnt.c
@@ -251,7 +251,7 @@ static int rpcb_create_local_unix(struct net *net)
 	if (IS_ERR(clnt)) {
 		dprintk("RPC:       failed to create AF_LOCAL rpcbind "
 				"client (errno %ld).\n", PTR_ERR(clnt));
-		result = -PTR_ERR(clnt);
+		result = PTR_ERR(clnt);
 		goto out;
 	}
 
@@ -298,7 +298,7 @@ static int rpcb_create_local_net(struct net *net)
 	if (IS_ERR(clnt)) {
 		dprintk("RPC:       failed to create local rpcbind "
 				"client (errno %ld).\n", PTR_ERR(clnt));
-		result = -PTR_ERR(clnt);
+		result = PTR_ERR(clnt);
 		goto out;
 	}
 


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