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From: Lee Jones <lee.jones@linaro.org>
To: arnd@arndb.de, gregkh@linuxfoundation.org
Cc: linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Lee Jones <lee.jones@linaro.org>,
	Kees Cook <keescook@chromium.org>
Subject: [PATCH 05/10] misc: lkdtm: Always provide prototype for lkdtm_DOUBLE_FAULT()
Date: Fri, 26 Jun 2020 14:05:20 +0100	[thread overview]
Message-ID: <20200626130525.389469-6-lee.jones@linaro.org> (raw)
In-Reply-To: <20200626130525.389469-1-lee.jones@linaro.org>

lkdtm_DOUBLE_FAULT() already has internal logic to handle
!CONFIG_X86_32.  Compiling out the prototype actually prevents
that logic from being useful.

Fixes the following W=1 warning:

 drivers/misc/lkdtm/bugs.c: At top level:
 drivers/misc/lkdtm/bugs.c:420:6: warning: no previous prototype for ‘lkdtm_DOUBLE_FAULT’ [-Wmissing-prototypes]
 420 | void lkdtm_DOUBLE_FAULT(void)
 | ^~~~~~~~~~~~~~~~~~

Cc: Kees Cook <keescook@chromium.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/misc/lkdtm/lkdtm.h | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/misc/lkdtm/lkdtm.h b/drivers/misc/lkdtm/lkdtm.h
index 601a2156a0d48..8878538b2c132 100644
--- a/drivers/misc/lkdtm/lkdtm.h
+++ b/drivers/misc/lkdtm/lkdtm.h
@@ -31,9 +31,7 @@ void lkdtm_CORRUPT_USER_DS(void);
 void lkdtm_STACK_GUARD_PAGE_LEADING(void);
 void lkdtm_STACK_GUARD_PAGE_TRAILING(void);
 void lkdtm_UNSET_SMEP(void);
-#ifdef CONFIG_X86_32
 void lkdtm_DOUBLE_FAULT(void);
-#endif
 void lkdtm_CORRUPT_PAC(void);
 
 /* lkdtm_heap.c */
-- 
2.25.1


  parent reply	other threads:[~2020-06-26 13:05 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-06-26 13:05 [PATCH 00/10] Fix a bunch of W=1 warnings in Misc Lee Jones
2020-06-26 13:05 ` [PATCH 01/10] misc: c2port: core: Ensure source size does not equal destination size in strncpy() Lee Jones
2020-06-26 13:15   ` Rodolfo Giometti
2020-07-13 19:10   ` Geert Uytterhoeven
2020-07-14  7:46     ` Lee Jones
2020-07-14  7:52       ` Geert Uytterhoeven
2020-07-14  8:01         ` Lee Jones
2020-07-14  8:02           ` Geert Uytterhoeven
2020-06-26 13:05 ` [PATCH 02/10] misc: ti-st: st_core: Tidy-up bespoke commentry Lee Jones
2020-06-26 14:05   ` Arnd Bergmann
2020-06-26 13:05 ` [PATCH 03/10] misc: ti-st: st_kim: " Lee Jones
2020-06-26 14:06   ` Arnd Bergmann
2020-06-26 13:05 ` [PATCH 04/10] misc: lkdtm: bugs: At least try to use popuated variable Lee Jones
2020-06-26 14:37   ` Arnd Bergmann
2020-06-26 15:26   ` Kees Cook
2020-06-26 13:05 ` Lee Jones [this message]
2020-06-26 14:37   ` [PATCH 05/10] misc: lkdtm: Always provide prototype for lkdtm_DOUBLE_FAULT() Arnd Bergmann
2020-06-26 15:23   ` Kees Cook
2020-06-26 13:05 ` [PATCH 06/10] misc: eeprom: eeprom_93cx6: Repair function arg descriptions Lee Jones
2020-06-26 14:38   ` Arnd Bergmann
2020-06-27 20:33   ` Wolfram Sang
2020-06-29  8:14     ` Lee Jones
2020-06-29  8:20       ` Wolfram Sang
2020-06-29  8:46         ` Lee Jones
2020-06-26 13:05 ` [PATCH 07/10] misc: mic: vop: vop_main: Remove set but unused variable 'ret' Lee Jones
2020-06-26 14:39   ` Arnd Bergmann
2020-06-26 15:29     ` Lee Jones
2020-06-26 18:38       ` Arnd Bergmann
2020-06-26 13:05 ` [PATCH 08/10] misc: cb710: sgbuf2: Add missing documentation for cb710_sg_dwiter_write_next_block()'s 'data' arg Lee Jones
2020-06-26 14:39   ` Arnd Bergmann
2020-06-26 16:46   ` Michał Mirosław
2020-06-26 13:05 ` [PATCH 09/10] misc: habanalabs: irq: Add missing struct identifier for 'struct hl_eqe_work' Lee Jones
2020-06-26 13:45   ` Oded Gabbay
2020-06-26 13:46     ` Oded Gabbay
2020-06-26 13:05 ` [PATCH 10/10] misc: pti: Fix documentation for bit-rotted function pti_tty_driver_write() Lee Jones
2020-06-26 14:40   ` Arnd Bergmann

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