From: Dejin Zheng <zhengdejin5@xxxxxxxxx> [ Upstream commit d975cb7ea915e64a3ebcfef8a33051f3e6bf22a8 ] the related system resources were not released when enetc_hw_alloc() return error in the enetc_pci_mdio_probe(), add iounmap() for error handling label "err_hw_alloc" to fix it. Fixes: 6517798dd3432a ("enetc: Make MDIO accessors more generic and export to include/linux/fsl") Cc: Andy Shevchenko <andy.shevchenko@xxxxxxxxx> Signed-off-by: Dejin Zheng <zhengdejin5@xxxxxxxxx> Reviewed-by: Vladimir Oltean <vladimir.oltean@xxxxxxx> Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c +++ b/drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c @@ -74,8 +74,8 @@ err_pci_mem_reg: pci_disable_device(pdev); err_pci_enable: err_mdiobus_alloc: - iounmap(port_regs); err_hw_alloc: + iounmap(port_regs); err_ioremap: return err; }