tc35815: Fix rx_missed_errors count
The Miss_Cnt register is cleared by reading. Accumulate its value to
rx_missed_errors count.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index f42aaf7..411cc0e5 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -2139,7 +2139,7 @@
(struct tc35815_regs __iomem *)dev->base_addr;
if (netif_running(dev))
/* Update the statistics from the device registers. */
- dev->stats.rx_missed_errors = tc_readl(&tr->Miss_Cnt);
+ dev->stats.rx_missed_errors += tc_readl(&tr->Miss_Cnt);
return &dev->stats;
}