[PATCH] Fixup for "[v2] powerpc/8xx: Allow disabling KUAP at boot time"

From: Christophe Leroy
Date: Sun Jun 06 2021 - 13:54:30 EST


Kernel test robot reported:

>> ERROR: modpost: "disable_kuap_key" [net/phonet/pn_pep.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [net/phonet/phonet.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [net/decnet/decnet.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [drivers/tee/tee.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [drivers/input/evdev.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [drivers/input/joydev.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [drivers/input/mousedev.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [drivers/input/serio/serio_raw.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [drivers/fsi/fsi-scom.ko] undefined!
>> ERROR: modpost: "disable_kuap_key" [drivers/watchdog/mv64x60_wdt.ko] undefined!
WARNING: modpost: suppressed 13 unresolved symbol warnings because there were too many)

disable_kuap_key has to be exported. Use EXPORT_SYMBOL() as userspace
access function are not exported as GPL today.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/powerpc/mm/nohash/8xx.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/powerpc/mm/nohash/8xx.c b/arch/powerpc/mm/nohash/8xx.c
index a8d44e9342f3..fc663322ba58 100644
--- a/arch/powerpc/mm/nohash/8xx.c
+++ b/arch/powerpc/mm/nohash/8xx.c
@@ -257,6 +257,7 @@ void __init setup_kuep(bool disabled)

#ifdef CONFIG_PPC_KUAP
struct static_key_false disable_kuap_key;
+EXPORT_SYMBOL(disable_kuap_key);

void __init setup_kuap(bool disabled)
{
--
2.25.0