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[5.6,054/118] net: enetc: fix an issue about leak system resources

Message ID 20200513094421.808935767@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg Kroah-Hartman May 13, 2020, 9:44 a.m. UTC 
From: Dejin Zheng <zhengdejin5@gmail.com>

[ 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@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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/net/ethernet/freescale/enetc/enetc_pci_mdio.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

--- 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;
 }