From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752553AbcGMHWg (ORCPT ); Wed, 13 Jul 2016 03:22:36 -0400 Received: from terminus.zytor.com ([198.137.202.10]:41792 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751727AbcGMHWZ (ORCPT ); Wed, 13 Jul 2016 03:22:25 -0400 Date: Wed, 13 Jul 2016 00:21:52 -0700 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: linux-kernel@vger.kernel.org, hpa@zytor.com, wangnan0@huawei.com, namhyung@kernel.org, dsahern@gmail.com, acme@redhat.com, mingo@kernel.org, tglx@linutronix.de, adrian.hunter@intel.com, jolsa@kernel.org Reply-To: tglx@linutronix.de, adrian.hunter@intel.com, jolsa@kernel.org, wangnan0@huawei.com, namhyung@kernel.org, dsahern@gmail.com, acme@redhat.com, mingo@kernel.org, linux-kernel@vger.kernel.org, hpa@zytor.com To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf script python: Silence -Werror=maybe-uninitialized on gcc 5.3.0 Git-Commit-ID: 39f54862a935e14a448cbd68d6a6bef68d026dbe X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 39f54862a935e14a448cbd68d6a6bef68d026dbe Gitweb: http://git.kernel.org/tip/39f54862a935e14a448cbd68d6a6bef68d026dbe Author: Arnaldo Carvalho de Melo AuthorDate: Tue, 12 Jul 2016 11:05:26 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 12 Jul 2016 15:20:39 -0300 perf script python: Silence -Werror=maybe-uninitialized on gcc 5.3.0 Sounds like a compiler bug, but to silence it, initialize those variables to NULL. Noticed on: Target: x86_64-alpine-linux-musl Configured with: /home/buildozer/aports/main/gcc/src/gcc-5.3.0/configure --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --build=x86_64-alpine-linux-musl --host=x86_64-alpine-linux-musl --target=x86_64-alpine-linux-musl --with-pkgversion='Alpine 5.3.0' --enable-checking=release --disable-fixed-point --disable-libstdcxx-pch --disable-multilib --disable-nls --disable-werror --disable-symvers --enable-__cxa_atexit --enable-esp --enable-cloog-backend --enable-languages=c,c++,objc,java,fortran,ada --disable-libssp --disable-libmudflap --disable-libsanitizer --enable-shared --enable-threads --enable-tls --with-system-zlib Thread model: posix gcc version 5.3.0 (Alpine 5.3.0) Cc: Adrian Hunter Cc: David Ahern Cc: Jiri Olsa Cc: Namhyung Kim Cc: Wang Nan Link: http://lkml.kernel.org/n/tip-zyvsjvbl45o7hzcuz78wu2xi@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/scripting-engines/trace-event-python.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index ff13470..6ac6b7a 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -273,7 +273,7 @@ static PyObject *get_field_numeric_entry(struct event_format *event, struct format_field *field, void *data) { bool is_array = field->flags & FIELD_IS_ARRAY; - PyObject *obj, *list = NULL; + PyObject *obj = NULL, *list = NULL; unsigned long long val; unsigned int item_size, n_items, i; @@ -392,7 +392,7 @@ static void python_process_tracepoint(struct perf_sample *sample, struct addr_location *al) { struct event_format *event = evsel->tp_format; - PyObject *handler, *context, *t, *obj, *callchain; + PyObject *handler, *context, *t, *obj = NULL, *callchain; PyObject *dict = NULL; static char handler_name[256]; struct format_field *field;