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NFS: Fix error handling

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Fix an error handling problem: nfs_put_client() can be given a NULL pointer if
nfs_free_server() is asked to destroy a partially initialised record.

Signed-Off-By: David Howells <dhowells@redhat.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
David Howells 2006-07-30 14:40:56 -04:00 committed by Trond Myklebust
parent 6aaca56650
commit 27ba851244
1 changed files with 3 additions and 0 deletions
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3
fs/nfs/client.c
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@ -208,6 +208,9 @@ static void nfs_free_client(struct nfs_client *clp)
*/
void nfs_put_client(struct nfs_client *clp)
{
if (!clp)
return;
dprintk("--> nfs_put_client({%d})\n", atomic_read(&clp->cl_count));
if (atomic_dec_and_lock(&clp->cl_count, &nfs_client_lock)) {