kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/lib/test-string_helpers.c
..
..
@@ -238,6 +238,28 @@
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 	/* terminator */
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 }};
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+static const struct test_string strings_upper[] __initconst = {
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+	{
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+		.in = "abcdefgh1234567890test",
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+		.out = "ABCDEFGH1234567890TEST",
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+	},
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+	{
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+		.in = "abCdeFgH1234567890TesT",
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+		.out = "ABCDEFGH1234567890TEST",
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+	},
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+};
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+
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+static const struct test_string strings_lower[] __initconst = {
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+	{
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+		.in = "ABCDEFGH1234567890TEST",
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+		.out = "abcdefgh1234567890test",
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+	},
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+	{
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+		.in = "abCdeFgH1234567890TesT",
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+		.out = "abcdefgh1234567890test",
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+	},
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+};
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+
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 static __init const char *test_string_find_match(const struct test_string_2 *s2,
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 						 unsigned int flags)
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 {
..
..
@@ -390,6 +412,48 @@
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 	test_string_get_size_one(4096, U64_MAX, "75.6 ZB", "64.0 ZiB");
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 }
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+static void __init test_string_upper_lower(void)
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+{
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+	char *dst;
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+	int i;
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+
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+	for (i = 0; i < ARRAY_SIZE(strings_upper); i++) {
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+		const char *s = strings_upper[i].in;
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+		int len = strlen(strings_upper[i].in) + 1;
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+
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+		dst = kmalloc(len, GFP_KERNEL);
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+		if (!dst)
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+			return;
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+
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+		string_upper(dst, s);
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+		if (memcmp(dst, strings_upper[i].out, len)) {
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+			pr_warn("Test 'string_upper' failed : expected %s, got %s!\n",
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+				strings_upper[i].out, dst);
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+			kfree(dst);
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+			return;
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+		}
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+		kfree(dst);
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+	}
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+
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+	for (i = 0; i < ARRAY_SIZE(strings_lower); i++) {
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+		const char *s = strings_lower[i].in;
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+		int len = strlen(strings_lower[i].in) + 1;
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+
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+		dst = kmalloc(len, GFP_KERNEL);
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+		if (!dst)
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+			return;
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+
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+		string_lower(dst, s);
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+		if (memcmp(dst, strings_lower[i].out, len)) {
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+			pr_warn("Test 'string_lower failed : : expected %s, got %s!\n",
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+				strings_lower[i].out, dst);
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+			kfree(dst);
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+			return;
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+		}
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+		kfree(dst);
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+	}
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+}
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+
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 static int __init test_string_helpers_init(void)
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 {
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 	unsigned int i;
..
..
@@ -411,6 +475,9 @@
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 	/* Test string_get_size() */
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 	test_string_get_size();
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477
 
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+	/* Test string upper(), string_lower() */
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+	test_string_upper_lower();
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+
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 	return -EINVAL;
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 }
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 module_init(test_string_helpers_init);