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>

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index f804b407d43866a9a1eb9e3ae32d346f15e2a13c..dc937e1baa91a27bb7aa2d89cf70b6e9f2213dfb 100644 (file)
--- 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);