Don't do unneeded sp_acopy() calls

diff --git a/src/top.c b/src/top.c
index fae248b..33a0239 100644 (file)
--- a/src/top.c
+++ b/src/top.c
@@ -561,7 +561,11 @@ void process_find_top(struct process **cpu, struct process **mem,
                }
                cur_proc = cur_proc->next;
        }
-       sp_acopy(spc_head, cpu, MAX_SP);
-       sp_acopy(spm_head, mem, MAX_SP);
-       sp_acopy(spt_head, time, MAX_SP);
+
+       if (top_cpu)
+               sp_acopy(spc_head, cpu, MAX_SP);
+       if (top_mem)
+               sp_acopy(spm_head, mem, MAX_SP);
+       if (top_time)
+               sp_acopy(spt_head, time, MAX_SP);
 }