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From: Vasily Averin <vvs@virtuozzo.com>
To: linux-nfs@vger.kernel.org
Cc: Trond Myklebust <trond.myklebust@primarydata.com>,
	Anna Schumaker <anna.schumaker@netapp.com>,
	Jeff Layton <jlayton@poochiereds.net>,
	"J. Bruce Fields" <bfields@fieldses.org>
Subject: [PATCH 3/4] nfs: remove net pointer from messages
Date: Wed, 8 Nov 2017 08:56:55 +0300	[thread overview]
Message-ID: <680458de-808d-cde1-631e-82f4df0b9a10@virtuozzo.com> (raw)

Publishing of net pointer is not safe,
use net->ns.inum instead

Signed-off-by: Vasily Averin <vvs@virtuozzo.com>
---
 fs/nfs/callback.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index cd9d992..509dc5a 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -49,15 +49,15 @@ static int nfs4_callback_up_net(struct svc_serv *serv, struct net *net)
 	if (ret <= 0)
 		goto out_err;
 	nn->nfs_callback_tcpport = ret;
-	dprintk("NFS: Callback listener port = %u (af %u, net %p)\n",
-			nn->nfs_callback_tcpport, PF_INET, net);
+	dprintk("NFS: Callback listener port = %u (af %u, net %x)\n",
+		nn->nfs_callback_tcpport, PF_INET, net->ns.inum);
 
 	ret = svc_create_xprt(serv, "tcp", net, PF_INET6,
 				nfs_callback_set_tcpport, SVC_SOCK_ANONYMOUS);
 	if (ret > 0) {
 		nn->nfs_callback_tcpport6 = ret;
-		dprintk("NFS: Callback listener port = %u (af %u, net %p)\n",
-				nn->nfs_callback_tcpport6, PF_INET6, net);
+		dprintk("NFS: Callback listener port = %u (af %u, net %x\n",
+			nn->nfs_callback_tcpport6, PF_INET6, net->ns.inum);
 	} else if (ret != -EAFNOSUPPORT)
 		goto out_err;
 	return 0;
@@ -185,7 +185,7 @@ static void nfs_callback_down_net(u32 minorversion, struct svc_serv *serv, struc
 	if (--nn->cb_users[minorversion])
 		return;
 
-	dprintk("NFS: destroy per-net callback data; net=%p\n", net);
+	dprintk("NFS: destroy per-net callback data; net=%x\n", net->ns.inum);
 	svc_shutdown_net(serv, net);
 }
 
@@ -198,7 +198,7 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv,
 	if (nn->cb_users[minorversion]++)
 		return 0;
 
-	dprintk("NFS: create per-net callback data; net=%p\n", net);
+	dprintk("NFS: create per-net callback data; net=%x\n", net->ns.inum);
 
 	ret = svc_bind(serv, net);
 	if (ret < 0) {
@@ -223,7 +223,7 @@ static int nfs_callback_up_net(int minorversion, struct svc_serv *serv,
 err_bind:
 	nn->cb_users[minorversion]--;
 	dprintk("NFS: Couldn't create callback socket: err = %d; "
-			"net = %p\n", ret, net);
+			"net = %x\n", ret, net->ns.inum);
 	return ret;
 }
 
-- 
2.7.4


                 reply	other threads:[~2017-11-08  5:57 UTC|newest]

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