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NFS: Ensure struct nfs_client holds a reference to the net namespace

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Otherwise we have no guarantee that the net namespace won't just
disappear from underneath us once the task that created it
is destroyed.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: Stanislav Kinsbursky <skinsbursky@parallels.com>
This commit is contained in:
Trond Myklebust 2012-02-19 08:46:49 +01:00
parent 9937347a1e
commit abd9669861
1 changed files with 2 additions and 1 deletions
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3
fs/nfs/client.c
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@ -172,7 +172,7 @@ static struct nfs_client *nfs_alloc_client(const struct nfs_client_initdata *cl_
clp->cl_rpcclient = ERR_PTR(-EINVAL);
clp->cl_proto = cl_init->proto;
clp->net = cl_init->net;
clp->net = get_net(cl_init->net);
#ifdef CONFIG_NFS_V4
err = nfs_get_cb_ident_idr(clp, cl_init->minorversion);
@ -300,6 +300,7 @@ static void nfs_free_client(struct nfs_client *clp)
nfs4_deviceid_purge_client(clp);
put_net(clp->net);
kfree(clp->cl_hostname);
kfree(clp->server_scope);
kfree(clp);