octeontx2-pf: Fix potential memory leak in otx2_init_tc()

In otx2_init_tc(), if rhashtable_init() failed, it does not free
tc->tc_entries_bitmap which is allocated in otx2_tc_alloc_ent_bitmap().

Fixes: 2e2a812 ("octeontx2-pf: Unify flow management variables")
Signed-off-by: Ziyang Xuan <[email protected]>
Reviewed-by: Leon Romanovsky <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

Author: Ziyang Xuan

drivers/net/ethernet/marvell/octeontx2/nic/otx2_tc.c

@@ -1134,7 +1134,12 @@ int otx2_init_tc(struct otx2_nic *nic)
 		return err;
 
 	tc->flow_ht_params = tc_flow_ht_params;
-	return rhashtable_init(&tc->flow_table, &tc->flow_ht_params);
+	err = rhashtable_init(&tc->flow_table, &tc->flow_ht_params);
+	if (err) {
+		kfree(tc->tc_entries_bitmap);
+		tc->tc_entries_bitmap = NULL;
+	}
+	return err;
 }
 EXPORT_SYMBOL(otx2_init_tc);