diff mbox series

[v2,net-next] net: ethernet: ti: cpsw: correct .ndo_open error path

Message ID 20190528174519.7370-1-ivan.khoronzhuk@linaro.org (mailing list archive)
State New, archived
Headers show
Series [v2,net-next] net: ethernet: ti: cpsw: correct .ndo_open error path | expand

Commit Message

Ivan Khoronzhuk May 28, 2019, 5:45 p.m. UTC
It's found while review and probably never happens, but real number
of queues is set per device, and error path should be per device.
So split error path based on usage_count.

Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
---
 drivers/net/ethernet/ti/cpsw.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

Comments

David Miller May 30, 2019, 4:50 a.m. UTC | #1
From: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>
Date: Tue, 28 May 2019 20:45:19 +0300

> It's found while review and probably never happens, but real number
> of queues is set per device, and error path should be per device.
> So split error path based on usage_count.
> 
> Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@linaro.org>

Applied, thanks.
diff mbox series

Patch

diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 634fc484a0b3..6d3f1f3f90cb 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1423,8 +1423,11 @@  static int cpsw_ndo_open(struct net_device *ndev)
 	return 0;
 
 err_cleanup:
-	cpdma_ctlr_stop(cpsw->dma);
-	for_each_slave(priv, cpsw_slave_stop, cpsw);
+	if (!cpsw->usage_count) {
+		cpdma_ctlr_stop(cpsw->dma);
+		for_each_slave(priv, cpsw_slave_stop, cpsw);
+	}
+
 	pm_runtime_put_sync(cpsw->dev);
 	netif_carrier_off(priv->ndev);
 	return ret;