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net: enetc: fix an issue about leak system resources

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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: 6517798dd3 ("enetc: Make MDIO accessors more generic and export to include/linux/fsl")
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Reviewed-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dejin Zheng 2020-05-04 20:01:27 +08:00 • committed by David S. Miller
parent 40e473071d
commit d975cb7ea9
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c
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@ -74,8 +74,8 @@ err_pci_mem_reg:
pci_disable_device(pdev); pci_disable_device(pdev);
err_pci_enable: err_pci_enable:
err_mdiobus_alloc: err_mdiobus_alloc:
iounmap(port_regs);
err_hw_alloc: err_hw_alloc:
iounmap(port_regs);
err_ioremap: err_ioremap:
return err; return err;
} }