From 4f074b58d2016eee2b63ffb668f6ed28156ecf62 Mon Sep 17 00:00:00 2001
From: Keith Randall <khr@golang.org>
Date: Wed, 22 Jan 2020 20:48:21 -0800
Subject: runtime/cgo: fix unsetenv wrapper

The wrapper takes a pointer to the argument, not the argument itself.

Fixes #36705

Change-Id: I566d4457d00bf5b84e4a8315a26516975f0d7e10
Reviewed-on: https://go-review.googlesource.com/c/go/+/215942
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
---
 src/runtime/cgo/gcc_setenv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/runtime/cgo/gcc_setenv.c b/src/runtime/cgo/gcc_setenv.c
index 88e92bfd8a..d4f798357a 100644
--- a/src/runtime/cgo/gcc_setenv.c
+++ b/src/runtime/cgo/gcc_setenv.c
@@ -20,9 +20,9 @@ x_cgo_setenv(char **arg)
 
 /* Stub for calling unsetenv */
 void
-x_cgo_unsetenv(char *arg)
+x_cgo_unsetenv(char **arg)
 {
 	_cgo_tsan_acquire();
-	unsetenv(arg);
+	unsetenv(arg[0]);
 	_cgo_tsan_release();
 }
-- 
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