Message ID | 20200314084730.25876-1-pannengyuan@huawei.com (mailing list archive) |
---|---|
Headers | show |
Series | delay timer_new from init to realize to fix memleaks. | expand |
Patchew URL: https://patchew.org/QEMU/20200314084730.25876-1-pannengyuan@huawei.com/ Hi, This series seems to have some coding style problems. See output below for more information: Subject: [PATCH v5 0/4] delay timer_new from init to realize to fix memleaks. Message-id: 20200314084730.25876-1-pannengyuan@huawei.com Type: series === TEST SCRIPT BEGIN === #!/bin/bash git rev-parse base > /dev/null || exit 0 git config --local diff.renamelimit 0 git config --local diff.renames True git config --local diff.algorithm histogram ./scripts/checkpatch.pl --mailback base.. === TEST SCRIPT END === Updating 3c8cf5a9c21ff8782164d1def7f44bd888713384 From https://github.com/patchew-project/qemu - [tag update] patchew/20200312145900.2054-1-zhiwei_liu@c-sky.com -> patchew/20200312145900.2054-1-zhiwei_liu@c-sky.com Switched to a new branch 'test' 57225b5 hw/misc/mos6522: move timer_new from init() into realize() to avoid memleaks 68ae0a2 hw/misc/macio: fix incorrect creation of mos6522's subclasses 5b8325b mac_via: fix incorrect creation of mos6522 device in mac_via 330de48 s390x: fix memleaks in cpu_finalize === OUTPUT BEGIN === 1/4 Checking commit 330de484a515 (s390x: fix memleaks in cpu_finalize) 2/4 Checking commit 5b8325bdb752 (mac_via: fix incorrect creation of mos6522 device in mac_via) 3/4 Checking commit 68ae0a2ea95b (hw/misc/macio: fix incorrect creation of mos6522's subclasses) ERROR: superfluous trailing semicolon #62: FILE: hw/misc/macio/pmu.c:745: + DeviceState *d = DEVICE(&s->mos6522_pmu);; total: 1 errors, 0 warnings, 52 lines checked Patch 3/4 has style problems, please review. If any of these errors are false positives report them to the maintainer, see CHECKPATCH in MAINTAINERS. 4/4 Checking commit 57225b5cea3b (hw/misc/mos6522: move timer_new from init() into realize() to avoid memleaks) === OUTPUT END === Test command exited with code: 1 The full log is available at http://patchew.org/logs/20200314084730.25876-1-pannengyuan@huawei.com/testing.checkpatch/?type=message. --- Email generated automatically by Patchew [https://patchew.org/]. Please send your feedback to patchew-devel@redhat.com
On 14/03/2020 08:47, Pan Nengyuan wrote: > This series delay timer_new from init into realize to avoid memleaks when we call 'device_list_properties'. > And do timer_free only in s390x_cpu_finalize because it's hotplugable. However, mos6522_realize is never called > at all due to the incorrect creation of it. So we fix the incorrect creation in mac_via/cuda/pmu first, then > move the timer_new to mos6522_realize(). > > v1: > - Delay timer_new() from init() to realize() to fix memleaks. > v2: > - Similarly to other cleanups, move timer_new into realize in target/s390x/cpu.c (Suggested by Philippe Mathieu-Daudé). > - Send these two patches as a series instead of send each as a single patch but with wrong subject in v1. > v3: > - It's not valid in mos6522 if we move timer_new from init to realize, because it's never called at all. > Thus, we remove null check in reset, and add calls to mos6522_realize() in mac_via_realize to make this move to be valid. > - split patch by device to make it more clear. > v4: > - Also do timer_free on the error path in realize() and fix some coding style. Then use device_class_set_parent_unrealize to declare unrealize. > - split the mos6522 patch into two, one to fix incorrect creation of mos6522, the other to fix memleak. > > v5: > - Fix two other places where we create mos6522's subclasses but forgot to realize it(macio/cuda,macio/pmu). > Otherwise, this will cause SEGVs during make check-qtest-ppc64. > - Remove timer_del on the error path of s390x_cpu_realize() and simply use errp instead a temporary variable. > > Pan Nengyuan (4): > s390x: fix memleaks in cpu_finalize > mac_via: fix incorrect creation of mos6522 device in mac_via > hw/misc/macio: fix incorrect creation of mos6522's subclasses > hw/misc/mos6522: move timer_new from init() into realize() to avoid > memleaks > > hw/misc/mac_via.c | 40 +++++++++++++++++++++++++++------------- > hw/misc/macio/cuda.c | 11 +++++++++-- > hw/misc/macio/pmu.c | 11 +++++++++-- > hw/misc/mos6522.c | 6 ++++++ > target/s390x/cpu-qom.h | 1 + > target/s390x/cpu.c | 30 ++++++++++++++++++++++++++---- > 6 files changed, 78 insertions(+), 21 deletions(-) I just gave this a test on qemu-system-ppc -M mac99 with both cuda and pmu, and also qemu-system-m68k for mac_via and I didn't see any crashes there, so: Tested-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> ATB, Mark.