linux-kernel - [PATCH] xtensa: only build __strncpy_user with CONFIG_ARCH_HAS_STRNCPY_FROM

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Message-Id: <20230609153006.1911402-1-jcmvbkbc@gmail.com>
Date:   Fri,  9 Jun 2023 08:30:06 -0700
From:   Max Filippov <jcmvbkbc@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     Chris Zankel <chris@...kel.net>, Max Filippov <jcmvbkbc@...il.com>
Subject: [PATCH] xtensa: only build __strncpy_user with CONFIG_ARCH_HAS_STRNCPY_FROM_USER

__strncpy_user is only used when CONFIG_ARCH_HAS_STRNCPY_FROM_USER is
enabled so don't build the source when it's off.

Signed-off-by: Max Filippov <jcmvbkbc@...il.com>
---
 arch/xtensa/lib/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/lib/Makefile b/arch/xtensa/lib/Makefile
index c9c2614188f7..6e5b2232668c 100644
--- a/arch/xtensa/lib/Makefile
+++ b/arch/xtensa/lib/Makefile
@@ -6,7 +6,8 @@
 lib-y	+= memcopy.o memset.o checksum.o \
 	   ashldi3.o ashrdi3.o bswapdi2.o bswapsi2.o lshrdi3.o \
 	   divsi3.o udivsi3.o modsi3.o umodsi3.o mulsi3.o umulsidi3.o \
-	   usercopy.o strncpy_user.o strnlen_user.o
+	   usercopy.o strnlen_user.o
+lib-$(CONFIG_ARCH_HAS_STRNCPY_FROM_USER) += strncpy_user.o
 lib-$(CONFIG_PCI) += pci-auto.o
 lib-$(CONFIG_KCSAN) += kcsan-stubs.o
 KCSAN_SANITIZE_kcsan-stubs.o := n
-- 
2.30.2