linux-kernel - [PATCH 3.12 118/119] avr32: fix 'undefined reference to `___copy_from

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Message-Id: <fa1709570d8087a4c0e330be876e242ba6b8a7e3.1475144721.git.jslaby@suse.cz>
Date:   Thu, 29 Sep 2016 12:25:54 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     stable@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, Guenter Roeck <linux@...ck-us.net>,
        Al Viro <viro@...iv.linux.org.uk>, Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 118/119] avr32: fix 'undefined reference to `___copy_from_user'

From: Guenter Roeck <linux@...ck-us.net>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 65c0044ca8d7c7bbccae37f0ff2972f0210e9f41 upstream.

avr32 builds fail with:

arch/avr32/kernel/built-in.o: In function `arch_ptrace':
(.text+0x650): undefined reference to `___copy_from_user'
arch/avr32/kernel/built-in.o:(___ksymtab+___copy_from_user+0x0): undefined
reference to `___copy_from_user'
kernel/built-in.o: In function `proc_doulongvec_ms_jiffies_minmax':
(.text+0x5dd8): undefined reference to `___copy_from_user'
kernel/built-in.o: In function `proc_dointvec_minmax_sysadmin':
sysctl.c:(.text+0x6174): undefined reference to `___copy_from_user'
kernel/built-in.o: In function `ptrace_has_cap':
ptrace.c:(.text+0x69c0): undefined reference to `___copy_from_user'
kernel/built-in.o:ptrace.c:(.text+0x6b90): more undefined references to
`___copy_from_user' follow

Fixes: 8630c32275ba ("avr32: fix copy_from_user()")
Cc: Al Viro <viro@...iv.linux.org.uk>
Acked-by: Havard Skinnemoen <hskinnemoen@...il.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@...fundet.no>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 arch/avr32/lib/copy_user.S | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/avr32/lib/copy_user.S b/arch/avr32/lib/copy_user.S
index 96a6de9d578f..075373471da1 100644
--- a/arch/avr32/lib/copy_user.S
+++ b/arch/avr32/lib/copy_user.S
@@ -23,8 +23,8 @@
 	 */
 	.text
 	.align	1
-	.global	copy_from_user
-	.type	copy_from_user, @function
+	.global	___copy_from_user
+	.type	___copy_from_user, @function
 ___copy_from_user:
 	branch_if_kernel r8, __copy_user
 	ret_if_privileged r8, r11, r10, r10
-- 
2.10.0