From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Mon, 24 Aug 2015 19:54:21 +0000 (+0300)
Subject: fbdev: fix snprintf() limit in show_bl_curve()
X-Git-Tag: omap-for-v4.3/fixes-rc1~59^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4df20474ff76b4dbab7d991de271820383995b8;p=pandora-kernel.git

fbdev: fix snprintf() limit in show_bl_curve()

The limit should be "PAGE_SIZE - len" instead of PAGE_SIZE.  Also let's
use scnprintf() because snprintf() returns the number of bytes which
would have been printed if there were space and scnprintf() returns the
number of bytes actually printed.

I don't think we are ever going to actually hit this limit in real life.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
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