From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
To: Trond.Myklebust@netapp.com
Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org,
Dan Carpenter <error27@gmail.com>,
corbet@lwn.net, eteo@redhat.com, Julia Lawall <julia@diku.dk>
Subject: [PATCH] nfs: remove superfluous BUG_ON()s
Date: Tue, 28 Jul 2009 17:04:56 +0200 [thread overview]
Message-ID: <200907281704.56870.bzolnier@gmail.com> (raw)
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: [PATCH] nfs: remove superfluous BUG_ON()s
Remove duplicated BUG_ON()s from nfs[4]_create_server()
(we make the same checks earlier in both functions).
This takes care of the following entries from Dan's list:
fs/nfs/client.c +1078 nfs_create_server(47) warning: variable derefenced before check 'server->nfs_client'
fs/nfs/client.c +1079 nfs_create_server(48) warning: variable derefenced before check 'server->nfs_client->rpc_ops'
fs/nfs/client.c +1363 nfs4_create_server(43) warning: variable derefenced before check 'server->nfs_client'
fs/nfs/client.c +1364 nfs4_create_server(44) warning: variable derefenced before check 'server->nfs_
Reported-by: Dan Carpenter <error27@gmail.com>
Cc: corbet@lwn.net
Cc: eteo@redhat.com
Cc: Julia Lawall <julia@diku.dk>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
---
fs/nfs/client.c | 8 --------
1 file changed, 8 deletions(-)
Index: b/fs/nfs/client.c
===================================================================
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -1075,10 +1075,6 @@ struct nfs_server *nfs_create_server(con
(unsigned long long) server->fsid.major,
(unsigned long long) server->fsid.minor);
- BUG_ON(!server->nfs_client);
- BUG_ON(!server->nfs_client->rpc_ops);
- BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
-
spin_lock(&nfs_client_lock);
list_add_tail(&server->client_link, &server->nfs_client->cl_superblocks);
list_add_tail(&server->master_link, &nfs_volume_list);
@@ -1360,10 +1356,6 @@ struct nfs_server *nfs4_create_server(co
if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)
server->namelen = NFS4_MAXNAMLEN;
- BUG_ON(!server->nfs_client);
- BUG_ON(!server->nfs_client->rpc_ops);
- BUG_ON(!server->nfs_client->rpc_ops->file_inode_ops);
-
spin_lock(&nfs_client_lock);
list_add_tail(&server->client_link, &server->nfs_client->cl_superblocks);
list_add_tail(&server->master_link, &nfs_volume_list);
next reply other threads:[~2009-07-28 15:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-07-28 15:04 Bartlomiej Zolnierkiewicz [this message]
2009-07-28 16:59 ` [PATCH] nfs: remove superfluous BUG_ON()s Trond Myklebust
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