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authorS.Caglar Onur <caglar@pardus.org.tr>2008-03-28 14:41:24 -0700
committerJeff Garzik <jeff@garzik.org>2008-03-28 22:14:15 -0400
commit9307b570a745da4f2d83195f5337927e98221bb2 (patch)
treeb07632eee7e40683c2977164d822ef262ab406d6
parentac4bed1375c06af7c76b4615ae661791b62e93ef (diff)
drivers/net/arcnet/arcnet.c: use time_* macros
The functions time_before, time_before_eq, time_after, and time_after_eq are more robust for comparing jiffies against other values. So use the time_after() macro, defined in linux/jiffies.h, which deals with wrapping correctly. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: S.Caglar Onur <caglar@pardus.org.tr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Jeff Garzik <jeff@garzik.org>
-rw-r--r--drivers/net/arcnet/arcnet.c5
-rw-r--r--include/linux/arcdevice.h4
2 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index c59c8067de99..bdc4c0bb56d9 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -940,7 +940,7 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
/* is the RECON info empty or old? */
if (!lp->first_recon || !lp->last_recon ||
- jiffies - lp->last_recon > HZ * 10) {
+ time_after(jiffies, lp->last_recon + HZ * 10)) {
if (lp->network_down)
BUGMSG(D_NORMAL, "reconfiguration detected: cabling restored?\n");
lp->first_recon = lp->last_recon = jiffies;
@@ -974,7 +974,8 @@ irqreturn_t arcnet_interrupt(int irq, void *dev_id)
lp->num_recons = 1;
}
}
- } else if (lp->network_down && jiffies - lp->last_recon > HZ * 10) {
+ } else if (lp->network_down &&
+ time_after(jiffies, lp->last_recon + HZ * 10)) {
if (lp->network_down)
BUGMSG(D_NORMAL, "cabling restored?\n");
lp->first_recon = lp->last_recon = 0;
diff --git a/include/linux/arcdevice.h b/include/linux/arcdevice.h
index fde675872c56..a1916078fd08 100644
--- a/include/linux/arcdevice.h
+++ b/include/linux/arcdevice.h
@@ -283,8 +283,8 @@ struct arcnet_local {
int next_buf, first_free_buf;
/* network "reconfiguration" handling */
- time_t first_recon, /* time of "first" RECON message to count */
- last_recon; /* time of most recent RECON */
+ unsigned long first_recon; /* time of "first" RECON message to count */
+ unsigned long last_recon; /* time of most recent RECON */
int num_recons; /* number of RECONs between first and last. */
bool network_down; /* do we think the network is down? */