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    Subject[tip:tracing/core] tracing: Only call pipe_close if pipe_close is defined
    Commit-ID:  29bf4a5e3fed3dde3eb629a0cb1762c1e9217458
    Gitweb: http://git.kernel.org/tip/29bf4a5e3fed3dde3eb629a0cb1762c1e9217458
    Author: Steven Rostedt <srostedt@redhat.com>
    AuthorDate: Wed, 9 Dec 2009 12:37:43 -0500
    Committer: Steven Rostedt <rostedt@goodmis.org>
    CommitDate: Wed, 9 Dec 2009 12:47:35 -0500

    tracing: Only call pipe_close if pipe_close is defined

    This fixes a cut and paste error that had pipe_close get called
    if pipe_open was defined (not pipe_close).

    Reported-by: Kosaki Motohiro <kosaki.motohiro@jp.fujitsu.com>
    LKML-Reference: <20091209153204.F4CD.A69D9226@jp.fujitsu.com>
    Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
    ---
    kernel/trace/trace.c | 2 +-
    1 files changed, 1 insertions(+), 1 deletions(-)

    diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
    index f804b40..dc937e1 100644
    --- a/kernel/trace/trace.c
    +++ b/kernel/trace/trace.c
    @@ -2899,7 +2899,7 @@ static int tracing_release_pipe(struct inode *inode, struct file *file)
    cpumask_clear_cpu(iter->cpu_file, tracing_reader_cpumask);


    - if (iter->trace->pipe_open)
    + if (iter->trace->pipe_close)
    iter->trace->pipe_close(iter);

    mutex_unlock(&trace_types_lock);

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