From: Steven Rostedt <srostedt@redhat.com>
Date: Thu, 10 Jan 2013 01:54:17 +0000 (-0500)
Subject: tracing: Fix regression of trace_options file setting
X-Git-Tag: v3.8-rc4~42^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a8dd2176a8e988e3744e863ac39647a6f59fa900;p=pandora-kernel.git

tracing: Fix regression of trace_options file setting

The latest change to allow trace options to be set on the command
line also broke the trace_options file.

The zeroing of the last byte of the option name that is echoed into
the trace_option file was removed with the consolidation of some
of the code. The compare between the option and what was written to
the trace_options file fails because the string holding the data
written doesn't terminate with a null character.

A zero needs to be added to the end of the string copied from
user space.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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