[PATCH] fb: Fix Bresenham algorithms for commonly used small segments.

[Peter Harris]

On 2014-10-03 17:41, Alex Orange wrote:
> Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=54168
> 
> Fix errors introducted in 863d528a9f76d0e8f122aebf19f8564a4c67a938. Said
> patch does indeed remove the problematic writes to bad memory, however
> it also introduces errors in the algoritm. This patch has the effect of
> reverting said patch and adding an if in the proper location to catch
> the out of bounds memory write without causing problems to the overall
> algorithm.
> 
> Signed-off-by: Alex Orange <crazycasta at gmail.com>

Reviewed-by: Peter Harris <pharris at opentext.com>
Tested-by: Peter Harris <pharris at opentext.com>

Peter Harris
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