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selftests: vDSO: vdso_test_correctness: Fix -Wstrict-prototypes

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Functions definitions without any argument list produce a warning with
-Wstrict-prototypes:

vdso_test_correctness.c:111:13: warning: function declaration isn’t a prototype [-Wstrict-prototypes]
  111 | static void fill_function_pointers()
      |             ^~~~~~~~~~~~~~~~~~~~~~

Explicitly use an empty argument list.

Now that all selftests a free of this warning, enable it in the Makefile.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250611-selftests-vdso-fixes-v3-7-e62e37a6bcf5@linutronix.de
This commit is contained in:
Thomas Weißschuh 2025-06-11 12:33:57 +02:00 committed by Thomas Gleixner
parent 8863cd78a0
commit 58265d6424
2 changed files with 2 additions and 2 deletions
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2
tools/testing/selftests/vDSO/Makefile
View File

@ -12,7 +12,7 @@ TEST_GEN_PROGS += vdso_test_correctness
TEST_GEN_PROGS += vdso_test_getrandom
TEST_GEN_PROGS += vdso_test_chacha
CFLAGS := -std=gnu99 -O2 -Wall
CFLAGS := -std=gnu99 -O2 -Wall -Wstrict-prototypes
ifeq ($(CONFIG_X86_32),y)
LDLIBS += -lgcc_s

2
tools/testing/selftests/vDSO/vdso_test_correctness.c
View File

@ -108,7 +108,7 @@ static void *vsyscall_getcpu(void)
}
static void fill_function_pointers()
static void fill_function_pointers(void)
{
void *vdso = dlopen("linux-vdso.so.1",
RTLD_LAZY | RTLD_LOCAL | RTLD_NOLOAD);