[PATCH 4/8] : Use FIELD_SIZEOF

From: Julia Lawall
Date: Sun Feb 10 2008 - 16:16:35 EST


From: Julia Lawall <julia@xxxxxxx>

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@xxxxxxx>

---

diff -u -p a/drivers/net/ixgb/ixgb_ethtool.c b/drivers/net/ixgb/ixgb_ethtool.c
--- a/drivers/net/ixgb/ixgb_ethtool.c 2007-11-08 18:33:36.000000000 +0100
+++ b/drivers/net/ixgb/ixgb_ethtool.c 2008-02-10 17:59:49.000000000 +0100
@@ -49,7 +49,7 @@ struct ixgb_stats {
int stat_offset;
};

-#define IXGB_STAT(m) sizeof(((struct ixgb_adapter *)0)->m), \
+#define IXGB_STAT(m) FIELD_SIZEOF(struct ixgb_adapter, m), \
offsetof(struct ixgb_adapter, m)
static struct ixgb_stats ixgb_gstrings_stats[] = {
{"rx_packets", IXGB_STAT(net_stats.rx_packets)},
--
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