From 885136d3b6a94cbbb9ea53f2c41d39c8ed145690 Mon Sep 17 00:00:00 2001
From: Nick Lewycky <nicholas@mxc.ca>
Date: Tue, 17 Sep 2013 00:23:28 +0000
Subject: [PATCH] Check the function we just called for errors, not an incoming
 argument. Noticed by inspection.

llvm-svn: 190828
---
 compiler-rt/lib/sanitizer_common/sanitizer_linux.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
index 52178f9621bb..10c112ae98e4 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
@@ -685,7 +685,7 @@ uptr ReadBinaryName(/*out*/char *buf, uptr buf_len) {
   uptr module_name_len = internal_readlink(
       "/proc/self/exe", buf, buf_len);
   int readlink_error;
-  if (internal_iserror(buf_len, &readlink_error)) {
+  if (internal_iserror(module_name_len, &readlink_error)) {
     if (proc_self_exe_cache_len) {
       // If available, use the cached module name.
       CHECK_LE(proc_self_exe_cache_len, buf_len);