Commit ab9150fe authored May 27, 2024 by Liu Shixin

mm/dynamic_hugetlb: check NULL pointer for early parameter

hulk inclusion
category: bugfix
bugzilla: https://gitee.com/openeuler/kernel/issues/I9K8D1


CVE: NA

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

Add null pointer check for early parameter.

Fixes: a8a836a3 ("mm/dynamic_hugetlb: establish the dynamic hugetlb feature framework")
Signed-off-by: Liu Shixin <liushixin2@huawei.com>

parent b35f2c3c

mm/dynamic_hugetlb.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1250,6 +1250,9 @@ void __init dynamic_hugetlb_init(void)

		static int __init dynamic_hugetlb_setup(char *s)
		{
		if (!s)
		return 0;

		if (!strcmp(s, "on"))
		enable_dhugetlb = true;
		return 0;