KUnit: add missing MODULE_DESCRIPTION() macros for lib/test_*.ko

make allmodconfig && make W=1 C=1 reports for lib/test_*.ko:
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_hexdump.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_dhry.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_firmware.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_sysctl.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_hash.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_ida.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_list_sort.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_min_heap.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_module.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_sort.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_static_keys.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_static_key_base.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_memcat_p.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_blackhole_dev.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_meminit.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_free_pages.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_kprobes.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_ref_tracker.o
WARNING: modpost: missing MODULE_DESCRIPTION() in lib/test_bits.o

Add the missing invocations of the MODULE_DESCRIPTION() macro.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Jeff Johnson <[email protected]>
Reviewed-by: Kees Cook <[email protected]>
Reviewed-by: Masami Hiramatsu (Google) <[email protected]>
Cc: Anil S Keshavamurthy <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Masami Hiramatsu (Google) <[email protected]>
Cc: "Naveen N. Rao" <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

Author: Jeff Johnson

lib/dhry_run.c

@@ -83,4 +83,5 @@ static int __init dhry_init(void)
 module_init(dhry_init);
 
 MODULE_AUTHOR("Geert Uytterhoeven <[email protected]>");
+MODULE_DESCRIPTION("Dhrystone benchmark test module");
 MODULE_LICENSE("GPL");

lib/test-kstrtox.c

@@ -732,4 +732,5 @@ static int __init test_kstrtox_init(void)
 	return -EINVAL;
 }
 module_init(test_kstrtox_init);
+MODULE_DESCRIPTION("Module test for kstrto*() APIs");
 MODULE_LICENSE("Dual BSD/GPL");

lib/test_bits.c

@@ -72,4 +72,5 @@ static struct kunit_suite bits_test_suite = {
 };
 kunit_test_suite(bits_test_suite);
 
+MODULE_DESCRIPTION("Test cases for functions and macros in bits.h");
 MODULE_LICENSE("GPL");

lib/test_blackhole_dev.c

@@ -96,4 +96,5 @@ module_init(test_blackholedev_init);
 module_exit(test_blackholedev_exit);
 
 MODULE_AUTHOR("Mahesh Bandewar <[email protected]>");
+MODULE_DESCRIPTION("module test of the blackhole_dev");
 MODULE_LICENSE("GPL");

lib/test_firmware.c

@@ -1567,4 +1567,5 @@ static void __exit test_firmware_exit(void)
 module_exit(test_firmware_exit);
 
 MODULE_AUTHOR("Kees Cook <[email protected]>");
+MODULE_DESCRIPTION("interface to trigger and test firmware loading");
 MODULE_LICENSE("GPL");

lib/test_free_pages.c

@@ -44,4 +44,5 @@ static void m_ex(void)
 module_init(m_in);
 module_exit(m_ex);
 MODULE_AUTHOR("Matthew Wilcox <[email protected]>");
+MODULE_DESCRIPTION("Check that free_pages() doesn't leak memory");
 MODULE_LICENSE("GPL");

lib/test_hash.c

@@ -235,4 +235,5 @@ static struct kunit_suite hash_test_suite = {
 
 kunit_test_suite(hash_test_suite);
 
+MODULE_DESCRIPTION("Test cases for <linux/hash.h> and <linux/stringhash.h>");
 MODULE_LICENSE("GPL");

lib/test_hexdump.c

@@ -253,4 +253,5 @@ static void __exit test_hexdump_exit(void)
 module_exit(test_hexdump_exit);
 
 MODULE_AUTHOR("Andy Shevchenko <[email protected]>");
+MODULE_DESCRIPTION("Test cases for lib/hexdump.c module");
 MODULE_LICENSE("Dual BSD/GPL");

lib/test_ida.c

@@ -214,4 +214,5 @@ static void ida_exit(void)
 module_init(ida_checks);
 module_exit(ida_exit);
 MODULE_AUTHOR("Matthew Wilcox <[email protected]>");
+MODULE_DESCRIPTION("Test the IDA API");
 MODULE_LICENSE("GPL");

lib/test_kprobes.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 /*
- * test_kprobes.c - simple sanity test for *probes
+ * test_kprobes.c - simple sanity test for k*probes
  *
  * Copyright IBM Corp. 2008
  */
@@ -400,4 +400,5 @@ static struct kunit_suite kprobes_test_suite = {
 
 kunit_test_suites(&kprobes_test_suite);
 
+MODULE_DESCRIPTION("simple sanity test for k*probes");
 MODULE_LICENSE("GPL");