From: Julia Lawall <julia.lawall-L2FTfq7BK8M@public.gmane.org>
Cc: brijesh.singh-5C7GfCeVMHo@public.gmane.org,
thomas.lendacky-5C7GfCeVMHo@public.gmane.org,
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linuxppc-dev@lists.o
Subject: Re: [PATCH v5 2/4] resource: Use list_head to link sibling resource
Date: Tue, 12 Jun 2018 17:10:12 +0200 (CEST) [thread overview]
Message-ID: <alpine.DEB.2.20.1806121708070.3334@hadrien> (raw)
This looks wrong. After a list iterator, the index variable points to a
dummy structure.
julia
url: https://github.com/0day-ci/linux/commits/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180612-113600
:::::: branch date: 7 hours ago
:::::: commit date: 7 hours ago
>> kernel/resource.c:265:17-20: ERROR: invalid reference to the index variable of the iterator on line 253
# https://github.com/0day-ci/linux/commit/e906f15906750a86913ba2b1f08bad99129d3dfc
git remote add linux-review https://github.com/0day-ci/linux
git remote update linux-review
git checkout e906f15906750a86913ba2b1f08bad99129d3dfc
vim +265 kernel/resource.c
^1da177e4 Linus Torvalds 2005-04-16 247
5eeec0ec9 Yinghai Lu 2009-12-22 248 static void __release_child_resources(struct resource *r)
5eeec0ec9 Yinghai Lu 2009-12-22 249 {
e906f1590 Baoquan He 2018-06-12 250 struct resource *tmp, *next;
5eeec0ec9 Yinghai Lu 2009-12-22 251 resource_size_t size;
5eeec0ec9 Yinghai Lu 2009-12-22 252
e906f1590 Baoquan He 2018-06-12 @253 list_for_each_entry_safe(tmp, next, &r->child, sibling) {
5eeec0ec9 Yinghai Lu 2009-12-22 254 tmp->parent = NULL;
e906f1590 Baoquan He 2018-06-12 255 INIT_LIST_HEAD(&tmp->sibling);
5eeec0ec9 Yinghai Lu 2009-12-22 256 __release_child_resources(tmp);
5eeec0ec9 Yinghai Lu 2009-12-22 257
5eeec0ec9 Yinghai Lu 2009-12-22 258 printk(KERN_DEBUG "release child resource %pR\n", tmp);
5eeec0ec9 Yinghai Lu 2009-12-22 259 /* need to restore size, and keep flags */
5eeec0ec9 Yinghai Lu 2009-12-22 260 size = resource_size(tmp);
5eeec0ec9 Yinghai Lu 2009-12-22 261 tmp->start = 0;
5eeec0ec9 Yinghai Lu 2009-12-22 262 tmp->end = size - 1;
5eeec0ec9 Yinghai Lu 2009-12-22 263 }
e906f1590 Baoquan He 2018-06-12 264
e906f1590 Baoquan He 2018-06-12 @265 INIT_LIST_HEAD(&tmp->child);
5eeec0ec9 Yinghai Lu 2009-12-22 266 }
5eeec0ec9 Yinghai Lu 2009-12-22 267
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
next reply other threads:[~2018-06-12 15:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-12 15:10 Julia Lawall [this message]
2018-06-13 6:55 ` [PATCH v5 2/4] resource: Use list_head to link sibling resource Baoquan He
-- strict thread matches above, loose matches on Subject: below --
2018-06-12 3:28 [PATCH v5 0/4] " Baoquan He
[not found] ` <20180612032831.29747-1-bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-06-12 3:28 ` [PATCH v5 2/4] " Baoquan He
[not found] ` <20180612032831.29747-3-bhe-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2018-06-12 4:37 ` kbuild test robot
2018-06-12 4:49 ` kbuild test robot
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