nfsd: reorder printk in do_probe_callback to avoid use-after-free
We're currently dereferencing the client after we drop our reference
count to it.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 0b3ffa9..4d4760e 100644
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -419,9 +419,9 @@
out_release_client:
rpc_shutdown_client(client);
out_err:
- put_nfs4_client(clp);
dprintk("NFSD: warning: no callback path to client %.*s\n",
(int)clp->cl_name.len, clp->cl_name.data);
+ put_nfs4_client(clp);
return status;
}