os/exec: trivial allocation removal in LookPath
R=golang-dev, bsiegert, r
CC=golang-dev
https://golang.org/cl/5549043
diff --git a/src/pkg/os/exec/lp_unix.go b/src/pkg/os/exec/lp_unix.go
index a221137..2d3a919 100644
--- a/src/pkg/os/exec/lp_unix.go
+++ b/src/pkg/os/exec/lp_unix.go
@@ -47,8 +47,9 @@
// Unix shell semantics: path element "" means "."
dir = "."
}
- if err := findExecutable(dir + "/" + file); err == nil {
- return dir + "/" + file, nil
+ path := dir + "/" + file
+ if err := findExecutable(path); err == nil {
+ return path, nil
}
}
return "", &Error{file, ErrNotFound}
