tree ce9e06bed532b0cd473266ccbf86d2f7dd22ee86
parent da34634fd39958725310d2c30c9b4543945f968b
author Jovi Zhang <bookjovi@gmail.com> 1284049859 -0300
committer Arnaldo Carvalho de Melo <acme@redhat.com> 1284065015 -0300

perf symbols: Fix multiple initialization of symbol system

By returning immediately if it was already initialized, do it as well at
symbol__exit, refusing multiple deinitializations.

This fixes problems in the kmem, sched and timechart commands.

Reported-by: Davidlohr Bueso <dave@gnu.org>
Cc: Davidlohr Bueso <dave@gnu.org>
Signed-off-by: Jovi Zhang <bookjovi@gmail.com>
LKML-Reference: AANLkTi=9Cn=R8SPMCRp5z+gEjXbaBHeb-AaOtRbuwwcn@mail.gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>