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>
xiaoqiangnk · Oct 15, 2008 · 8fa0b31 · 8fa0b31
1 parent 22441cf
commit 8fa0b31
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
@@ -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