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kmemtrace: Fix up tracer registration

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Commit ddc1637af2 ("kmemtrace: Print
binary output only if 'bin' option is set") ended up inverting the
error detection logic. register_tracer() returns 0 on success,
which this change caused to treat as an error, resulting in:

[    0.132000] Warning: could not register the kmem tracer

as well as bailing out of the initcall with an error value. This
restores the old logic.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Pekka Enberg <penberg@cs.helsinki.fi>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Eduard - Gabriel Munteanu <eduard.munteanu@linux360.ro>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <20090928075540.GD6668@linux-sh.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Paul Mundt 2009-09-28 16:55:40 +09:00 committed by Ingo Molnar
parent 33974093c0
commit f9ac5a69ed
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/kmemtrace.c
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@ -501,7 +501,7 @@ static int __init init_kmem_tracer(void)
return 1;
}
if (!register_tracer(&kmem_tracer)) {
if (register_tracer(&kmem_tracer) != 0) {
pr_warning("Warning: could not register the kmem tracer\n");
return 1;
}