From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Sat, 1 Sep 2012 19:54:07 +0000 (-0700)
Subject: thinkpad_acpi: buffer overflow in fan_get_status()
X-Git-Tag: v3.6-rc6~9^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eceeb4371240aff22e9a535a2bc57d2311820942;p=pandora-kernel.git

thinkpad_acpi: buffer overflow in fan_get_status()

The acpi_evalf() function modifies four bytes of data but in
fan_get_status() we pass a pointer to u8.  I have modified the
function to use type checking now.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
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