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authorIvan Khoronzhuk <ivan.khoronzhuk@linaro.org>2019-05-28 20:45:19 +0300
committerDavid S. Miller <davem@davemloft.net>2019-05-30 07:50:14 +0300
commit02caceded0691a31a21b62011da8dae0d3aec85b (patch)
tree46185d9eeba0a47735b8ae97aef02d9920d61e50
parent6faaffb3b1ce0b136ad217e941f8d436794d24f9 (diff)
downloadlinux-02caceded0691a31a21b62011da8dae0d3aec85b.tar.xz
net: ethernet: ti: cpsw: correct .ndo_open error path
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> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/ethernet/ti/cpsw.c7
1 files changed, 5 insertions, 2 deletions
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;