linux-kernel - [PATCH] acpi/arm64: Mark next_platform_timer as _

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Date:   Wed,  2 Jun 2021 14:46:47 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Hanjun Guo <guohanjun@...wei.com>
Cc:     Kees Cook <keescook@...omium.org>,
        Kefeng Wang <wangkefeng.wang@...wei.com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Sudeep Holla <sudeep.holla@....com>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>, linux-kernel@...r.kernel.org,
        linux-acpi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] acpi/arm64: Mark next_platform_timer as __init

Fix section mismatch warning:

WARNING: modpost: vmlinux.o(.text.unlikely+0x95ac): Section mismatch in reference from the function next_platform_timer() to the variable .init.data:acpi_gtdt_desc
The function next_platform_timer() references
the variable __initdata acpi_gtdt_desc.
This is often because next_platform_timer lacks a __initdata
annotation or the annotation of acpi_gtdt_desc is wrong.

Suggested-by: Hanjun Guo <guohanjun@...wei.com>
Link: https://lore.kernel.org/linux-acpi/20200508152653.157663-1-wangkefeng.wang@huawei.com/
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/acpi/arm64/gtdt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/arm64/gtdt.c b/drivers/acpi/arm64/gtdt.c
index 0a0a982f9c28..c3ad42470a7c 100644
--- a/drivers/acpi/arm64/gtdt.c
+++ b/drivers/acpi/arm64/gtdt.c
@@ -36,7 +36,7 @@ struct acpi_gtdt_descriptor {
 
 static struct acpi_gtdt_descriptor acpi_gtdt_desc __initdata;
 
-static inline void *next_platform_timer(void *platform_timer)
+static __init void *next_platform_timer(void *platform_timer)
 {
 	struct acpi_gtdt_header *gh = platform_timer;
 
-- 
2.25.1