1 files changed, 0 insertions, 150 deletions
diff --git a/lib/test_strscpy.c b/lib/test_strscpy.c
deleted file mode 100644
index a827f94601f5..000000000000
--- a/lib/test_strscpy.c
+++ /dev/null
@@ -1,150 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/string.h>
-
-#include "../tools/testing/selftests/kselftest_module.h"
-
-/*
- * Kernel module for testing 'strscpy' family of functions.
- */
-
-KSTM_MODULE_GLOBALS();
-
-/*
- * tc() - Run a specific test case.
- * @src: Source string, argument to strscpy_pad()
- * @count: Size of destination buffer, argument to strscpy_pad()
- * @expected: Expected return value from call to strscpy_pad()
- * @terminator: 1 if there should be a terminating null byte 0 otherwise.
- * @chars: Number of characters from the src string expected to be
- *         written to the dst buffer.
- * @pad: Number of pad characters expected (in the tail of dst buffer).
- *       (@pad does not include the null terminator byte.)
- *
- * Calls strscpy_pad() and verifies the return value and state of the
- * destination buffer after the call returns.
- */
-static int __init tc(char *src, int count, int expected,
-		     int chars, int terminator, int pad)
-{
-	int nr_bytes_poison;
-	int max_expected;
-	int max_count;
-	int written;
-	char buf[6];
-	int index, i;
-	const char POISON = 'z';
-
-	total_tests++;
-
-	if (!src) {
-		pr_err("null source string not supported\n");
-		return -1;
-	}
-
-	memset(buf, POISON, sizeof(buf));
-	/* Future proofing test suite, validate args */
-	max_count = sizeof(buf) - 2; /* Space for null and to verify overflow */
-	max_expected = count - 1;    /* Space for the null */
-	if (count > max_count) {
-		pr_err("count (%d) is too big (%d) ... aborting", count, max_count);
-		return -1;
-	}
-	if (expected > max_expected) {
-		pr_warn("expected (%d) is bigger than can possibly be returned (%d)",
-			expected, max_expected);
-	}
-
-	written = strscpy_pad(buf, src, count);
-	if ((written) != (expected)) {
-		pr_err("%d != %d (written, expected)\n", written, expected);
-		goto fail;
-	}
-
-	if (count && written == -E2BIG) {
-		if (strncmp(buf, src, count - 1) != 0) {
-			pr_err("buffer state invalid for -E2BIG\n");
-			goto fail;
-		}
-		if (buf[count - 1] != '\0') {
-			pr_err("too big string is not null terminated correctly\n");
-			goto fail;
-		}
-	}
-
-	for (i = 0; i < chars; i++) {
-		if (buf[i] != src[i]) {
-			pr_err("buf[i]==%c != src[i]==%c\n", buf[i], src[i]);
-			goto fail;
-		}
-	}
-
-	if (terminator) {
-		if (buf[count - 1] != '\0') {
-			pr_err("string is not null terminated correctly\n");
-			goto fail;
-		}
-	}
-
-	for (i = 0; i < pad; i++) {
-		index = chars + terminator + i;
-		if (buf[index] != '\0') {
-			pr_err("padding missing at index: %d\n", i);
-			goto fail;
-		}
-	}
-
-	nr_bytes_poison = sizeof(buf) - chars - terminator - pad;
-	for (i = 0; i < nr_bytes_poison; i++) {
-		index = sizeof(buf) - 1 - i; /* Check from the end back */
-		if (buf[index] != POISON) {
-			pr_err("poison value missing at index: %d\n", i);
-			goto fail;
-		}
-	}
-
-	return 0;
-fail:
-	failed_tests++;
-	return -1;
-}
-
-static void __init selftest(void)
-{
-	/*
-	 * tc() uses a destination buffer of size 6 and needs at
-	 * least 2 characters spare (one for null and one to check for
-	 * overflow).  This means we should only call tc() with
-	 * strings up to a maximum of 4 characters long and 'count'
-	 * should not exceed 4.  To test with longer strings increase
-	 * the buffer size in tc().
-	 */
-
-	/* tc(src, count, expected, chars, terminator, pad) */
-	KSTM_CHECK_ZERO(tc("a", 0, -E2BIG, 0, 0, 0));
-	KSTM_CHECK_ZERO(tc("", 0, -E2BIG, 0, 0, 0));
-
-	KSTM_CHECK_ZERO(tc("a", 1, -E2BIG, 0, 1, 0));
-	KSTM_CHECK_ZERO(tc("", 1, 0, 0, 1, 0));
-
-	KSTM_CHECK_ZERO(tc("ab", 2, -E2BIG, 1, 1, 0));
-	KSTM_CHECK_ZERO(tc("a", 2, 1, 1, 1, 0));
-	KSTM_CHECK_ZERO(tc("", 2, 0, 0, 1, 1));
-
-	KSTM_CHECK_ZERO(tc("abc", 3, -E2BIG, 2, 1, 0));
-	KSTM_CHECK_ZERO(tc("ab", 3, 2, 2, 1, 0));
-	KSTM_CHECK_ZERO(tc("a", 3, 1, 1, 1, 1));
-	KSTM_CHECK_ZERO(tc("", 3, 0, 0, 1, 2));
-
-	KSTM_CHECK_ZERO(tc("abcd", 4, -E2BIG, 3, 1, 0));
-	KSTM_CHECK_ZERO(tc("abc", 4, 3, 3, 1, 0));
-	KSTM_CHECK_ZERO(tc("ab", 4, 2, 2, 1, 1));
-	KSTM_CHECK_ZERO(tc("a", 4, 1, 1, 1, 2));
-	KSTM_CHECK_ZERO(tc("", 4, 0, 0, 1, 3));
-}
-
-KSTM_MODULE_LOADERS(test_strscpy);
-MODULE_AUTHOR("Tobin C. Harding <tobin@kernel.org>");
-MODULE_LICENSE("GPL");