[Qemu-devel] [6480] linux-user: don't crash with null name

[Aurelien Jarno]

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 <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>

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;