linux-kernel - [PATCH 2/3] lkdtm: Fix targets for objcopy usage

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Date:	Fri,  5 Aug 2016 14:25:52 -0700
From:	Kees Cook <keescook@...omium.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Kees Cook <keescook@...omium.org>, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Michael Ellerman <mpe@...erman.id.au>
Subject: [PATCH 2/3] lkdtm: Fix targets for objcopy usage

The targets for lkdtm's objcopy were missing which caused them to always
be rebuilt. This corrects the problem.

Reported-by: Linus Torvalds <torvalds@...ux-foundation.org>
Signed-off-by: Kees Cook <keescook@...omium.org>
---
 drivers/misc/Makefile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index 4387ccb79e64..7410c6d9a34d 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -69,5 +69,6 @@ OBJCOPYFLAGS :=
 OBJCOPYFLAGS_lkdtm_rodata_objcopy.o := \
 			--set-section-flags .text=alloc,readonly \
 			--rename-section .text=.rodata
-$(obj)/lkdtm_rodata_objcopy.o: $(obj)/lkdtm_rodata.o
+targets += lkdtm_rodata.o lkdtm_rodata_objcopy.o
+$(obj)/lkdtm_rodata_objcopy.o: $(obj)/lkdtm_rodata.o FORCE
 	$(call if_changed,objcopy)
-- 
2.7.4