Patch "avr32: fix 'undefined reference to `___copy_from_user'" has been added to the 4.4-stable tree

Patch "avr32: fix 'undefined reference to `___copy_from_user'" has been added to the 4.4-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    avr32: fix 'undefined reference to `___copy_from_user'

to the 4.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     avr32-fix-undefined-reference-to-___copy_from_user.patch
and it can be found in the queue-4.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 65c0044ca8d7c7bbccae37f0ff2972f0210e9f41 Mon Sep 17 00:00:00 2001
From: Guenter Roeck <linux@roeck-us.net>
Date: Sat, 17 Sep 2016 07:52:49 -0700
Subject: avr32: fix 'undefined reference to `___copy_from_user'

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

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@zeniv.linux.org.uk>
Acked-by: Havard Skinnemoen <hskinnemoen@gmail.com>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@samfundet.no>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 arch/avr32/lib/copy_user.S |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- 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


Patches currently in stable-queue which might be from linux@roeck-us.net are

queue-4.4/avr32-fix-undefined-reference-to-___copy_from_user.patch
queue-4.4/iio-adc-rockchip_saradc-reset-saradc-controller-before-programming-it.patch
queue-4.4/openrisc-fix-the-fix-of-copy_from_user.patch