[PATCH 4.14 040/118] net: fec: free/restore resource in related probe error pathes

From: Greg Kroah-Hartman
Date: Mon Jan 15 2018 - 07:48:49 EST


4.14-stable review patch. If anyone has any objections, please let me know.

------------------

From: Fugang Duan <fugang.duan@xxxxxxx>


[ Upstream commit d1616f07e8f1a4a490d1791316d4a68906b284aa ]

Fixes in probe error path:
- Restore dev_id before failed_ioremap path.
Fixes: ("net: fec: restore dev_id in the cases of probe error")
- Call of_node_put(phy_node) before failed_phy path.
Fixes: ("net: fec: Support phys probed from devicetree and fixed-link")

Signed-off-by: Fugang Duan <fugang.duan@xxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/freescale/fec_main.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/freescale/fec_main.c
+++ b/drivers/net/ethernet/freescale/fec_main.c
@@ -3543,11 +3543,11 @@ failed_clk_ipg:
failed_clk:
if (of_phy_is_fixed_link(np))
of_phy_deregister_fixed_link(np);
-failed_phy:
of_node_put(phy_node);
+failed_phy:
+ dev_id--;
failed_ioremap:
free_netdev(ndev);
- dev_id--;

return ret;
}