From 31cd10414e7ae9b11f46264db14829e1a80a7606 Mon Sep 17 00:00:00 2001
From: Brendan Gregg <brendan.d.gregg@gmail.com>
Date: Sat, 6 Feb 2016 17:19:59 -0800
Subject: [PATCH] simplify

---
 tools/biosnoop.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/tools/biosnoop.py b/tools/biosnoop.py
index 51a8f6a7c770..37ee3f9cb401 100755
--- a/tools/biosnoop.py
+++ b/tools/biosnoop.py
@@ -31,12 +31,10 @@
 // cache PID and comm by-req
 int trace_pid_start(struct pt_regs *ctx, struct request *req)
 {
-    u32 pid;
     struct val_t val = {};
 
-    pid = bpf_get_current_pid_tgid();
     if (bpf_get_current_comm(&val.name, sizeof(val.name)) == 0) {
-        val.pid = pid;
+        val.pid = bpf_get_current_pid_tgid();
         infobyreq.update(&req, &val);
     }