[PATCH 3.10 070/319] avr32: fix 'undefined reference to `___copy_from_user'

From: Willy Tarreau
Date: Sun Feb 05 2017 - 15:02:41 EST


From: Guenter Roeck <linux@xxxxxxxxxxxx>

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@xxxxxxxxxxxxxxxxxx>
Acked-by: Havard Skinnemoen <hskinnemoen@xxxxxxxxx>
Acked-by: Hans-Christian Noren Egtvedt <egtvedt@xxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Willy Tarreau <w@xxxxxx>
---
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 96a6de9..0753734 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
--
2.8.0.rc2.1.gbe9624a