Commit 593cba04 authored Feb 26, 2021 by Hongbo Yao Committed by Zheng Zengkai Apr 09, 2021

mpam: fix potential resource leak in mpam_domains_init



hulk inclusion
category: bugfix
bugzilla: 48265
CVE: NA

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

Variable "d" going out of scope leaks the storage it points to.

Signed-off-by: Hongbo Yao <yaohongbo@huawei.com>
Reviewed-by: Xie XiuQi <xiexiuqi@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 cceab46d

arch/arm64/kernel/mpam.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1219,8 +1219,10 @@ static void mpam_domains_init(struct resctrl_resource *r)
		d->cpus_list = n->cpus_list;

		d->ctrl_val = kmalloc_array(rr->num_partid, sizeof(*d->ctrl_val), GFP_KERNEL);
		if (!d->ctrl_val)
		if (!d->ctrl_val) {
		kfree(d);
		return;
		}

		list_add_tail(&d->list, add_pos);