xtensa: use generic strncpy_from_user with KASAN
This enables KASAN check of the destination buffer.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index f9f95d6..e2afffb 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -15,6 +15,7 @@
select GENERIC_IRQ_SHOW
select GENERIC_PCI_IOMAP
select GENERIC_SCHED_CLOCK
+ select GENERIC_STRNCPY_FROM_USER if KASAN
select HAVE_ARCH_KASAN if MMU
select HAVE_CC_STACKPROTECTOR
select HAVE_DEBUG_KMEMLEAK
