ftrace: fix setting of pos in read_pipe

In resetting the iterator in read_pipe, the reset of pos was
postitioned in the wrong location with respect to the memset
operation. The current code sets pos, incorrectly, to zero.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 1 insertions, 1 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 32f9106d612..49e16630628 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2455,10 +2455,10 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
                 cnt = PAGE_SIZE - 1;
 
         /* reset all but tr, trace, and overruns */
-        iter->pos = -1;
         memset(&iter->seq, 0,
                sizeof(struct trace_iterator) -
                offsetof(struct trace_iterator, seq));
+        iter->pos = -1;
 
         /*
          * We need to stop all tracing on all CPUS to read the