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From: Aurelien Jarno <aurelien@aurel32.net>
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Date: Fri, 30 Jan 2009 19:48:07 +0000
Subject: [Qemu-devel] [6480] linux-user: don't crash with null name
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Revision: 6480
          http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6480
Author:   aurel32
Date:     2009-01-30 19:48:07 +0000 (Fri, 30 Jan 2009)

Log Message:
-----------
linux-user: don't crash with null name

>>From Thayne Harbaugh.

path() may be called with null string, don't bother trying to
remap in that case.

Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

Modified Paths:
--------------
    trunk/linux-user/path.c

Modified: trunk/linux-user/path.c
===================================================================
--- trunk/linux-user/path.c	2009-01-30 19:47:57 UTC (rev 6479)
+++ trunk/linux-user/path.c	2009-01-30 19:48:07 UTC (rev 6480)
@@ -152,7 +152,7 @@
 {
     /* Only do absolute paths: quick and dirty, but should mostly be OK.
        Could do relative by tracking cwd. */
-    if (!base || name[0] != '/')
+    if (!base || !name || name[0] != '/')
 	return name;
 
     return follow_path(base, name) ?: name;