This reverts commit ce1fdb065695f49ef6f126d35c1abbfe645d62d5. It turned
out this actually introduces a race condition. netif_running() is not a
suitable check for get_stats.
Reported-by: Sergey Shtylyov <s.shtylyov@xxxxxx>
Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
Change since v1:
* added 'net-next' to $subject
drivers/net/ethernet/renesas/sh_eth.c | 6 +++++-
drivers/net/ethernet/renesas/sh_eth.h | 1 +
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 2d9787231099..d8ec729825be 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -2441,6 +2441,8 @@ static int sh_eth_open(struct net_device *ndev)
netif_start_queue(ndev);
+ mdp->is_opened = 1;
+
return ret;
out_free_irq:
@@ -2563,7 +2565,7 @@ static struct net_device_stats *sh_eth_get_stats(struct net_device *ndev)
if (mdp->cd->no_tx_cntrs)
return &ndev->stats;
- if (!netif_running(ndev))
+ if (!mdp->is_opened)
return &ndev->stats;
sh_eth_update_stat(ndev, &ndev->stats.tx_dropped, TROCR);
@@ -2612,6 +2614,8 @@ static int sh_eth_close(struct net_device *ndev)
/* Free all the skbuffs in the Rx queue and the DMA buffer. */
sh_eth_ring_free(ndev);
+ mdp->is_opened = 0;
+
pm_runtime_put(&mdp->pdev->dev);
return 0;
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index f56dbc8a064a..a5c07c6ff44a 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -560,6 +560,7 @@ struct sh_eth_private {
unsigned no_ether_link:1;
unsigned ether_link_active_low:1;
+ unsigned is_opened:1;
unsigned wol_enabled:1;
};
--
2.30.2
