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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/20240619-md-lib-test-v2-1-301e30eeba1e@quicinc.com Signed-off-by: Jeff Johnson <quic_jjohnson@quicinc.com> Reviewed-by: Kees Cook <kees@kernel.org> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Masami Hiramatsu (Google) <mhiramat@kernel.org> Cc: "Naveen N. Rao" <naveen.n.rao@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
36 lines
854 B
C
36 lines
854 B
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* This module emits "Hello, world" on printk when loaded.
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*
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* It is designed to be used for basic evaluation of the module loading
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* subsystem (for example when validating module signing/verification). It
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* lacks any extra dependencies, and will not normally be loaded by the
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* system unless explicitly requested by name.
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*/
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/printk.h>
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static int __init test_module_init(void)
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{
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pr_warn("Hello, world\n");
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return 0;
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}
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module_init(test_module_init);
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static void __exit test_module_exit(void)
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{
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pr_warn("Goodbye\n");
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}
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module_exit(test_module_exit);
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MODULE_AUTHOR("Kees Cook <keescook@chromium.org>");
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MODULE_DESCRIPTION("module loading subsystem test module");
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MODULE_LICENSE("GPL");
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