drivers: staging: lustre: Fix return is not a function, parentheses are not required errors

Fix checkpatch.pl return is not a function, parentheses are not required errors
Signed-off-by: Greg Donald <gdonald@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/include/lustre_log.h

@@ -447,7 +447,7 @@ static inline int llog_group_ctxt_null(struct obd_llog_group *olg, int index)
 
 static inline int llog_ctxt_null(struct obd_device *obd, int index)
 {
-	return (llog_group_ctxt_null(&obd->obd_olg, index));
+	return llog_group_ctxt_null(&obd->obd_olg, index);
 }
 
 static inline int llog_destroy(const struct lu_env *env,

drivers/staging/lustre/lustre/ldlm/ldlm_pool.c

@@ -631,7 +631,7 @@ EXPORT_SYMBOL(ldlm_pool_shrink);
 int ldlm_pool_setup(struct ldlm_pool *pl, int limit)
 {
 	if (pl->pl_ops->po_setup != NULL)
-		return(pl->pl_ops->po_setup(pl, limit));
+		return pl->pl_ops->po_setup(pl, limit);
 	return 0;
 }
 EXPORT_SYMBOL(ldlm_pool_setup);

drivers/staging/lustre/lustre/lov/lov_internal.h

@@ -140,7 +140,7 @@ static inline struct lov_lock_handles *
 lov_handle2llh(struct lustre_handle *handle)
 {
 	LASSERT(handle != NULL);
-	return(class_handle2object(handle->cookie));
+	return class_handle2object(handle->cookie);
 }
 
 static inline void lov_llh_put(struct lov_lock_handles *llh)

drivers/staging/lustre/lustre/lov/lov_pool.c

@@ -107,7 +107,7 @@ static void *pool_key(struct hlist_node *hnode)
 	struct pool_desc *pool;
 
 	pool = hlist_entry(hnode, struct pool_desc, pool_hash);
-	return (pool->pool_name);
+	return pool->pool_name;
 }
 
 static int pool_hashkey_keycmp(const void *key, struct hlist_node *compared_hnode)

drivers/staging/lustre/lustre/osc/osc_request.c

@@ -1120,7 +1120,7 @@ static int check_write_rcs(struct ptlrpc_request *req,
 	/* return error if any niobuf was in error */
 	for (i = 0; i < niocount; i++) {
 		if ((int)remote_rcs[i] < 0)
-			return(remote_rcs[i]);
+			return remote_rcs[i];
 
 		if (remote_rcs[i] != 0) {
 			CDEBUG(D_INFO, "rc[%d] invalid (%d) req %p\n",