decnet: Fix compiler warning in dn_dev.c



Use offsetof() instead of home-brewed version.

Based upon initial patch by Steven Whitehouse and suggestions
by Ben Hutchings.

Signed-off-by: David S. Miller <davem@davemloft.net>

parent 22441cfa

net/decnet/dn_dev.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -152,7 +152,7 @@ static struct dn_dev_parms dn_dev_list[] = {

		#define DN_DEV_LIST_SIZE ARRAY_SIZE(dn_dev_list)

		#define DN_DEV_PARMS_OFFSET(x) ((int) ((char ) &((struct dn_dev_parms )0)->x))
		#define DN_DEV_PARMS_OFFSET(x) offsetof(struct dn_dev_parms, x)

		#ifdef CONFIG_SYSCTL