From 12914ffb8af4f850637ee92bc2997218de6a179c Mon Sep 17 00:00:00 2001
From: Peter Stephenson <pws@zsh.org>
Date: Tue, 6 Oct 2015 09:28:07 +0100
Subject: [PATCH] 36780: Fix crash in ksh mode with -n and $HOME.

If home variable is NULL ensure HOME is unset.

Upstream-commit: 83a175795a444e8169fcb592a110d4d15a09b907
Signed-off-by: Kamil Dudka <kdudka@redhat.com>
---
 Src/params.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/Src/params.c b/Src/params.c
index de151a4..a8abb28 100644
--- a/Src/params.c
+++ b/Src/params.c
@@ -775,17 +775,18 @@ createparamtable(void)
 #endif
     opts[ALLEXPORT] = oae;
 
+    /*
+     * For native emulation we always set the variable home
+     * (see setupvals()).
+     */
+    pm = (Param) paramtab->getnode(paramtab, "HOME");
     if (EMULATION(EMULATE_ZSH))
     {
-	/*
-	 * For native emulation we always set the variable home
-	 * (see setupvals()).
-	 */
-	pm = (Param) paramtab->getnode(paramtab, "HOME");
 	pm->node.flags &= ~PM_UNSET;
 	if (!(pm->node.flags & PM_EXPORTED))
 	    addenv(pm, home);
-    }
+    } else if (!home)
+	pm->node.flags |= PM_UNSET;
     pm = (Param) paramtab->getnode(paramtab, "LOGNAME");
     if (!(pm->node.flags & PM_EXPORTED))
 	addenv(pm, pm->u.str);
-- 
2.5.2