From: H. Peter Anvin <hpa@zytor.com>
Date: Thu, 23 Aug 2007 16:28:42 +0000 (-0700)
Subject: [x86 setup] Make sure AH=00h when setting a video mode
X-Git-Tag: v2.6.23-rc4~18^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=71351b98b9be6a867aa00276d67716c0728cfff7;p=pandora-kernel.git

[x86 setup] Make sure AH=00h when setting a video mode

Passing a u8 into a register doesn't mean gcc will zero-extend it.
Also, don't depend on thhe register not to change.

Per bug report from Saul Tamari.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
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