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Subject[PATCH 5.6 155/194] powerpc/32s: Fix build failure with CONFIG_PPC_KUAP_DEBUG
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From: Christophe Leroy <christophe.leroy@c-s.fr>

commit 4833ce06e6855d526234618b746ffb71d6612c9a upstream.

gpr2 is not a parametre of kuap_check(), it doesn't exist.

Use gpr instead.

Fixes: a68c31fc01ef ("powerpc/32s: Implement Kernel Userspace Access Protection")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/ea599546f2a7771bde551393889e44e6b2632332.1587368807.git.christophe.leroy@c-s.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
arch/powerpc/include/asm/book3s/32/kup.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/powerpc/include/asm/book3s/32/kup.h
+++ b/arch/powerpc/include/asm/book3s/32/kup.h
@@ -75,7 +75,7 @@

.macro kuap_check current, gpr
#ifdef CONFIG_PPC_KUAP_DEBUG
- lwz \gpr2, KUAP(thread)
+ lwz \gpr, KUAP(thread)
999: twnei \gpr, 0
EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
#endif

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