Commit 4bf3613e authored Feb 26, 2021 by Xie XiuQi Committed by Zheng Zengkai Apr 09, 2021

arm64/mpam: only add new domain node to domain list



hulk inclusion
category: bugfix
bugzilla: 48265
CVE: NA

--------------------------------

Only add a new domain to domain list, don't care about exist domain
node.

Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Reviewed-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Wang ShaoBo <bobo.shaobowang@huawei.com>
Reviewed-by: Cheng Jian <cj.chengjian@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>

parent fc426834

arch/arm64/kernel/mpam.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -1208,6 +1208,8 @@ static void mpam_domains_init(struct resctrl_resource *r)

		if (!d)
		d = kzalloc(sizeof(*d), GFP_KERNEL);
		else
		continue;

		if (!d) {
		mpam_domains_destroy(r);
		@@ -1263,6 +1265,7 @@ static void mpam_domains_init(struct resctrl_resource *r)
		return;
		}

		if (add_pos)
		list_add_tail(&d->list, add_pos);

		id++;