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* [PATCH 2/8] drivers/block: Use FIELD_SIZEOF
@ 2008-02-10 20:08 Julia Lawall
2008-02-10 22:22 ` Stephen Rothwell
0 siblings, 1 reply; 2+ messages in thread
From: Julia Lawall @ 2008-02-10 20:08 UTC (permalink / raw)
To: sfr, axboe; +Cc: linux-kernel, kernel-janitors
From: Julia Lawall <julia@diku.dk>
Robert P.J. Day proposed to use the macro FIELD_SIZEOF in replace of code
that matches its definition.
The modification was made using the following semantic patch
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@haskernel@
@@
#include <linux/kernel.h>
@depends on haskernel@
type t;
identifier f;
@@
- (sizeof(((t*)0)->f))
+ FIELD_SIZEOF(t, f)
@depends on haskernel@
type t;
identifier f;
@@
- sizeof(((t*)0)->f)
+ FIELD_SIZEOF(t, f)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
---
diff -u -p a/drivers/block/viodasd.c b/drivers/block/viodasd.c
--- a/drivers/block/viodasd.c 2008-02-02 15:28:17.000000000 +0100
+++ b/drivers/block/viodasd.c 2008-02-10 17:42:42.000000000 +0100
@@ -69,7 +69,7 @@ MODULE_LICENSE("GPL");
enum {
PARTITION_SHIFT = 3,
MAX_DISKNO = HVMAXARCHITECTEDVIRTUALDISKS,
- MAX_DISK_NAME = sizeof(((struct gendisk *)0)->disk_name)
+ MAX_DISK_NAME = FIELD_SIZEOF(struct gendisk, disk_name)
};
static DEFINE_SPINLOCK(viodasd_spinlock);
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2008-02-10 20:08 [PATCH 2/8] drivers/block: Use FIELD_SIZEOF Julia Lawall
2008-02-10 22:22 ` Stephen Rothwell
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