From: Bjorn Helgaas <bjorn.helgaas@hp.com>
Date: Mon, 21 Sep 2009 19:28:49 +0000 (+0000)
Subject: ACPICA: fixup after acpi_get_object_info() change
X-Git-Tag: v2.6.32-rc1~18^2~2^2~24
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b24715027aab5e586c4ab1d035f3e543307dea69;p=pandora-kernel.git

ACPICA: fixup after acpi_get_object_info() change

Commit 15b8dd53f5ffa changed info->hardware_id from a static array to
a pointer.  If hardware_id is non-NULL, it points to a NULL-terminated
string, so we don't need to terminate it explicitly.  However, it may
be NULL; in that case, we *can't* add a NULL terminator.

This causes a NULL pointer dereference oops for devices without _HID.

Signed-off-by: Bjorn Helgaas <bjorn.helgaas@hp.com>
CC: Lin Ming <ming.m.lin@intel.com>
CC: Bob Moore <robert.moore@intel.com>
CC: Gary Hade <garyhade@us.ibm.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

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