From: Christian Krafft <krafft@de.ibm.com>
Date: Sun, 24 Feb 2008 19:03:42 +0000 (+0100)
Subject: i2c-pca-isa: Add access check to legacy ioports
X-Git-Tag: v2.6.25-rc3~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=104cb574feb3033299568483a3f68031f47e0d43;p=pandora-kernel.git

i2c-pca-isa: Add access check to legacy ioports

When probing i2c-pca-isa writes to legacy ioports, which crashes the kernel
if there is no device at that port.
This patch adds a check_legacy_ioport call, so probe fails gracefully
and thus prevents the oops.

Signed-off-by: Christian Krafft <krafft@de.ibm.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
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