diff options
| author |   Fabio Estevam <fabio.estevam@freescale.com> | 2014-10-04 13:40:01 -0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2014-10-06 00:53:56 -0400 |
| commit | 681d2421e1135b95f5cd9d16fe10eac7f570a9f2 (patch) | |
| tree | 69a50affab4bd3624ad3818d8093e8ef518202bf | |
| parent | drivers/net/phy/Kconfig: Let MDIO_BCM_UNIMAC depend on HAS_IOMEM (diff) | |
| download | linux-dev-681d2421e1135b95f5cd9d16fe10eac7f570a9f2.tar.xz linux-dev-681d2421e1135b95f5cd9d16fe10eac7f570a9f2.zip | |
fec: Fix fec_enet_alloc_buffers() error path
When fec_enet_alloc_buffers() fails we should better undo the previous actions,
which consists of: disabling the FEC clocks and putting the FEC pins into
inactive state.
The error path for fec_enet_mii_probe() is kept unchanged.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/freescale/fec_main.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index e190eb0ed006..87975b5dda94 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -2747,16 +2747,12 @@ fec_enet_open(struct net_device *ndev) ret = fec_enet_alloc_buffers(ndev); if (ret) - return ret; + goto err_enet_alloc; /* Probe and connect to PHY when open the interface */ ret = fec_enet_mii_probe(ndev); - if (ret) { - fec_enet_free_buffers(ndev); - fec_enet_clk_enable(ndev, false); - pinctrl_pm_select_sleep_state(&fep->pdev->dev); - return ret; - } + if (ret) + goto err_enet_mii_probe; fec_restart(ndev); napi_enable(&fep->napi); @@ -2764,6 +2760,13 @@ fec_enet_open(struct net_device *ndev) netif_tx_start_all_queues(ndev); return 0; + +err_enet_mii_probe: + fec_enet_free_buffers(ndev); +err_enet_alloc: + fec_enet_clk_enable(ndev, false); + pinctrl_pm_select_sleep_state(&fep->pdev->dev); + return ret; } static int |