Fix: don't do 0 byte event reservation
authorMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Wed, 26 Jun 2013 17:55:31 +0000 (13:55 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Wed, 26 Jun 2013 17:55:31 +0000 (13:55 -0400)
Caused sequence of:

lttng create
lttng enable-event -k sched_switch
lttng start
lttng stop
lttng start
lttng stop

to hang on waiting for data......

Issue appeared in

commit d83004aa718065e5221d8ef4b99e4302b70b3df9
Author: Julien Desfossez <jdesfossez@efficios.com>
Date:   Thu Jun 6 16:38:48 2013 -0400

    Metadata cache and multiple metadata channels

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

No differences found
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