From: Antonino A. Daplas <adaplas@gmail.com>
Date: Tue, 13 Dec 2005 06:17:21 +0000 (-0800)
Subject: [PATCH] fbdev: Fix incorrect unaligned access in little-endian machines
X-Git-Tag: v2.6.15-rc6~78
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=be0d9b6c7aeaad1683059c00131cabd4c894c17c;p=pandora-kernel.git

[PATCH] fbdev: Fix incorrect unaligned access in little-endian machines

The drawing function cfbfillrect does not work correctly when access is not
unsigned-long aligned.  It manifests as extra lines of pixels that are not
complete drawn.  Reversing the shift operator solves the problem, so I would
presume that this bug would manifest only on little endian machines.  The
function cfbcopyarea may also have this bug.

Aligned access should present no problems.

Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

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