linux-kernel - [PATCH v2] x86/floppy: use designated initializers

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Message-ID: <20161217213705.GA1248@beast>
Date:   Sat, 17 Dec 2016 13:37:05 -0800
From:   Kees Cook <keescook@...omium.org>
To:     linux-kernel@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        Kees Cook <keescook@...omium.org>
Subject: [PATCH v2] x86/floppy: use designated initializers

Prepare to mark sensitive kernel structures for randomization by making
sure they're using designated initializers. These were identified during
allyesconfig builds of x86, arm, and arm64, with most initializer fixes
extracted from grsecurity.

Signed-off-by: Kees Cook <keescook@...omium.org>
---
v2:
 - aligned rhs of initializer, ingo
---
 arch/x86/include/asm/floppy.h | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/x86/include/asm/floppy.h b/arch/x86/include/asm/floppy.h
index 1c7eefe32502..202fe3e1fae8 100644
--- a/arch/x86/include/asm/floppy.h
+++ b/arch/x86/include/asm/floppy.h
@@ -229,18 +229,18 @@ static struct fd_routine_l {
 	int (*_dma_setup)(char *addr, unsigned long size, int mode, int io);
 } fd_routine[] = {
 	{
-		request_dma,
-		free_dma,
-		get_dma_residue,
-		dma_mem_alloc,
-		hard_dma_setup
+		._request_dma =		request_dma,
+		._free_dma =		free_dma,
+		._get_dma_residue =	get_dma_residue,
+		._dma_mem_alloc =	dma_mem_alloc,
+		._dma_setup =		hard_dma_setup
 	},
 	{
-		vdma_request_dma,
-		vdma_nop,
-		vdma_get_dma_residue,
-		vdma_mem_alloc,
-		vdma_dma_setup
+		._request_dma =		vdma_request_dma,
+		._free_dma =		vdma_nop,
+		._get_dma_residue =	vdma_get_dma_residue,
+		._dma_mem_alloc =	vdma_mem_alloc,
+		._dma_setup =		vdma_dma_setup
 	}
 };
 
-- 
2.7.4


-- 
Kees Cook
Nexus Security