From 83f5ad58daf1576640bec3aa2f81f003f8e6c48b Mon Sep 17 00:00:00 2001 From: Su Hui Date: Thu, 31 Aug 2023 15:34:56 +0800 Subject: [PATCH] ACPI: OSL: add __printf format attribute to acpi_os_vprintf() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit With gcc and W=1 option to compile the kernel, warning occurs: drivers/acpi/osl.c:156:2: error: function ‘acpi_os_vprintf’ might be a candidate for ‘gnu_printf’ format attribute [-Werror=suggest-attribute=format]. Allow the compiler to recognize and check format strings is safer. Signed-off-by: Su Hui [ rjw: Subject and changelog edits ] Signed-off-by: Rafael J. Wysocki --- drivers/acpi/osl.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index f725813d0cce6..357f1325485db 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -149,7 +149,7 @@ void acpi_os_printf(const char *fmt, ...) } EXPORT_SYMBOL(acpi_os_printf); -void acpi_os_vprintf(const char *fmt, va_list args) +void __printf(1, 0) acpi_os_vprintf(const char *fmt, va_list args) { static char buffer[512]; -- 2.30.2