linux-kernel - [PATCH] ARM: don't export unused return

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Date:   Fri,  6 Sep 2019 17:46:55 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Russell King <linux@...linux.org.uk>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Enrico Weigelt <info@...ux.net>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ARM: don't export unused return_address()

Without the frame pointer enabled, return_address() is an inline
function and does not need to be exported, as shown by this warning:

WARNING: "return_address" [vmlinux] is a static EXPORT_SYMBOL_GPL

Move the EXPORT_SYMBOL_GPL() into the #ifdef as well.

Signed-off-by: Arnd Bergmann <arnd@...db.de>
---
 arch/arm/kernel/return_address.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm/kernel/return_address.c b/arch/arm/kernel/return_address.c
index b0d2f1fe891d..fb0fc1910102 100644
--- a/arch/arm/kernel/return_address.c
+++ b/arch/arm/kernel/return_address.c
@@ -53,6 +53,7 @@ void *return_address(unsigned int level)
 		return NULL;
 }
 
+EXPORT_SYMBOL_GPL(return_address);
+
 #endif /* if defined(CONFIG_FRAME_POINTER) && !defined(CONFIG_ARM_UNWIND) */
 
-EXPORT_SYMBOL_GPL(return_address);
-- 
2.20.0