On Tue, Jul 02, 2019 at 06:34:09PM +0800, Leo Yan wrote: > When I used static checker Smatch for perf building, the main target is > to check if there have any potential issues in Arm cs-etm code. So > finally I get many reporting for errors/warnings. > > I used below command for using static checker with perf building: > > # make VF=1 CORESIGHT=1 -C tools/perf/ \ > CHECK="/root/Work/smatch/smatch --full-path" \ > CC=/root/Work/smatch/cgcc | tee smatch_reports.txt > > I reviewed the errors one by one, if I understood some of these errors > so changed the code as I can, this patch set is the working result; but > still leave some errors due to I don't know what's the best way to fix > it. There also have many inconsistent indenting warnings. So I firstly > send out this patch set and let's see what's the feedback from public > reviewing. > > Leo Yan (11): > perf report: Smatch: Fix potential NULL pointer dereference > perf stat: Smatch: Fix use-after-freed pointer > perf top: Smatch: Fix potential NULL pointer dereference > perf annotate: Smatch: Fix dereferencing freed memory > perf trace: Smatch: Fix potential NULL pointer dereference > perf hists: Smatch: Fix potential NULL pointer dereference > perf map: Smatch: Fix potential NULL pointer dereference > perf session: Smatch: Fix potential NULL pointer dereference > perf intel-bts: Smatch: Fix potential NULL pointer dereference > perf intel-pt: Smatch: Fix potential NULL pointer dereference > perf cs-etm: Smatch: Fix potential NULL pointer dereference
from quick look it all looks good to me, nice tool ;-) Acked-by: Jiri Olsa <jo...@kernel.org> jirka > > tools/perf/builtin-report.c | 4 ++-- > tools/perf/builtin-stat.c | 2 +- > tools/perf/builtin-top.c | 8 ++++++-- > tools/perf/builtin-trace.c | 5 +++-- > tools/perf/ui/browsers/hists.c | 13 +++++++++---- > tools/perf/util/annotate.c | 6 ++---- > tools/perf/util/cs-etm.c | 2 +- > tools/perf/util/intel-bts.c | 5 ++--- > tools/perf/util/intel-pt.c | 5 ++--- > tools/perf/util/map.c | 7 +++++-- > tools/perf/util/session.c | 3 +++ > 11 files changed, 36 insertions(+), 24 deletions(-) > > -- > 2.17.1 >
