tools/vm/page_owner_sort.c: check malloc() return

Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Zhang Shengju <[email protected]> Signed-off-by: Tang Bin <[email protected]> Signed-off-by: Andrew Morton <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
tadfisher · Jun 29, 2021 · 85f29cd · 85f29cd
1 parent 1a14e37
commit 85f29cd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/tools/vm/page_owner_sort.c b/tools/vm/page_owner_sort.c
@@ -132,6 +132,10 @@ int main(int argc, char **argv)
 	qsort(list, list_size, sizeof(list[0]), compare_txt);
 
 	list2 = malloc(sizeof(*list) * list_size);
+	if (!list2) {
+		printf("Out of memory\n");
+		exit(1);
+	}
 
 	printf("culling\n");