From: Frederic Weisbecker <fweisbec@gmail.com>
Date: Sat, 4 Oct 2008 20:04:44 +0000 (+0200)
Subject: ftrace: return an error when setting a nonexistent tracer
X-Git-Tag: v2.6.28-rc1~78^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2931e05ec5965597cbfb79ad332d4a29aeceb23;p=pandora-kernel.git

ftrace: return an error when setting a nonexistent tracer

When one try to set a nonexistent tracer, no error is returned
as if the name of the tracer was correct.
We should return -EINVAL.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---

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