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From: Jilles Tjoelker <jilles@FreeBSD.org>
Date: Tue, 15 Apr 2014 18:29:06 +0000 (UTC)
To: src-committers@freebsd.org, svn-src-all@freebsd.org,
 svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org
Subject: svn commit: r264513 - stable/10/bin/sh
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Author: jilles
Date: Tue Apr 15 18:29:05 2014
New Revision: 264513
URL: http://svnweb.freebsd.org/changeset/base/264513

Log:
  MFC r263847: sh: Fix memory leak with an assignment before a regular builtin

Modified:
  stable/10/bin/sh/var.c
Directory Properties:
  stable/10/   (props changed)

Modified: stable/10/bin/sh/var.c
==============================================================================
--- stable/10/bin/sh/var.c	Tue Apr 15 18:24:24 2014	(r264512)
+++ stable/10/bin/sh/var.c	Tue Apr 15 18:29:05 2014	(r264513)
@@ -330,8 +330,11 @@ setvareq(char *s, int flags)
 				ckfree(s);
 			error("%.*s: is read only", vp->name_len, s);
 		}
-		if (flags & VNOSET)
+		if (flags & VNOSET) {
+			if ((flags & (VTEXTFIXED|VSTACK)) == 0)
+				ckfree(s);
 			return;
+		}
 		INTOFF;
 
 		if (vp->func && (flags & VNOFUNC) == 0)
@@ -364,8 +367,11 @@ setvareq(char *s, int flags)
 		return;
 	}
 	/* not found */
-	if (flags & VNOSET)
+	if (flags & VNOSET) {
+		if ((flags & (VTEXTFIXED|VSTACK)) == 0)
+			ckfree(s);
 		return;
+	}
 	INTOFF;
 	vp = ckmalloc(sizeof (*vp));
 	vp->flags = flags;