Em Tue, Apr 16, 2019 at 03:41:51PM +0200, Jiri Olsa escreveu: > We currently don't return NULL in case we don't find > the bpf_prog_info_node, fixing that.
Can you please try to figure out what was the changeset that introduced this problem so that we can have a Fixes: tag that helps me determine if this should go to perf/urgent (likely) or (perf/core) and to help the stable guys as well? Thanks, - Arnaldo > Cc: Song Liu <[email protected]> > Link: http://lkml.kernel.org/n/[email protected] > Signed-off-by: Jiri Olsa <[email protected]> > --- > tools/perf/util/env.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/tools/perf/util/env.c b/tools/perf/util/env.c > index c6351b557bb0..34a363f2e71b 100644 > --- a/tools/perf/util/env.c > +++ b/tools/perf/util/env.c > @@ -57,9 +57,11 @@ struct bpf_prog_info_node > *perf_env__find_bpf_prog_info(struct perf_env *env, > else if (prog_id > node->info_linear->info.id) > n = n->rb_right; > else > - break; > + goto out; > } > + node = NULL; > > +out: > up_read(&env->bpf_progs.lock); > return node; > } > -- > 2.17.2 -- - Arnaldo
