nfsd4: put_nfs4_client does not require state lock

Since free_client() is guaranteed to only be called once, and to only
touch the client structure itself (not any common data structures), it
has no need for the state lock.

Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Alexandros Batsakis <batsakis@netapp.com>

diff --git a/fs/nfsd/nfs4callback.c b/fs/nfsd/nfs4callback.c
index 3ddc9fb..3fd7136 100644 (file)
--- a/fs/nfsd/nfs4callback.c
+++ b/fs/nfsd/nfs4callback.c
@@ -490,8 +490,8 @@ out_put_cred:
         * Success or failure, now we're either waiting for lease expiration
         * or deleg_return.
         */
-       nfs4_lock_state();
        put_nfs4_client(clp);
+       nfs4_lock_state();
        nfs4_put_delegation(dp);
        nfs4_unlock_state();
        return;