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-rw-r--r--net/decnet/dn_dev.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index 3b726f31c64c..4400da7739da 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -41,6 +41,7 @@
#include <linux/sysctl.h>
#include <linux/notifier.h>
#include <linux/slab.h>
+#include <linux/jiffies.h>
#include <asm/uaccess.h>
#include <net/net_namespace.h>
#include <net/neighbour.h>
@@ -875,7 +876,7 @@ static void dn_send_endnode_hello(struct net_device *dev, struct dn_ifaddr *ifa)
static int dn_am_i_a_router(struct dn_neigh *dn, struct dn_dev *dn_db, struct dn_ifaddr *ifa)
{
/* First check time since device went up */
- if ((jiffies - dn_db->uptime) < DRDELAY)
+ if (time_before(jiffies, dn_db->uptime + DRDELAY))
return 0;
/* If there is no router, then yes... */