From: Peter Gruber <nokos@gmx.net>
Date: Tue, 28 Oct 2008 03:59:36 +0000 (-0400)
Subject: ACPI: avoid empty file name in sysfs
X-Git-Tag: v2.6.28-rc5~77^2~8^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4feba70a2c1a1a0c96909f657f48b2e11e682370;p=pandora-kernel.git

ACPI: avoid empty file name in sysfs

Since commit bc45b1d39a925b56796bebf8a397a0491489d85c acpi tables are
allowed to have an empty signature and /sys/firmware/acpi/tables uses the
signature as filename.  Applications using naive recursion through /sys
loop forever.  A possible solution would be: (replacing the zero length
filename with the string "NULL")

http://bugzilla.kernel.org/show_bug.cgi?id=11539

Acked-by: Zhang Rui <rui.zhang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Len Brown <len.brown@intel.com>
---

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