From 5680e984516fa1fb3c16862fb747206da0edfbed Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Tue, 7 Jan 2014 16:12:48 +0100
Subject: [PATCH] ash: in bash compat mode, always export $SHLVL

function                                             old     new   delta
ash_main                                            1437    1442      +5

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 shell/ash.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/shell/ash.c b/shell/ash.c
index 71ef9a690..04ba447b1 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -13014,7 +13014,7 @@ init(void)
 		setvar2("PPID", utoa(getppid()));
 #if ENABLE_ASH_BASH_COMPAT
 		p = lookupvar("SHLVL");
-		setvar2("SHLVL", utoa(p ? atoi(p) + 1 : 1));
+		setvar("SHLVL", utoa((p ? atoi(p) : 0) + 1), VEXPORT);
 #endif
 		p = lookupvar("PWD");
 		if (p) {