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net: axienet: move use of resource after validity check 

We were accessing the pointer returned from platform_get_resource before
checking if it was valid, causing an oops if it was not. Move this access
after the call to devm_ioremap_resource which does the validity check.

Signed-off-by: Robert Hancock <hancock@sedsystems.ca>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
alistair/sunxi64-5.4-dsi
Robert Hancock 2019-06-11 10:56:02 -06:00 committed by David S. Miller
parent f9a94f85e8
commit 7fa0043d5c
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/xilinx/xilinx_axienet_main.c
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@ -1679,13 +1679,13 @@ static int axienet_probe(struct platform_device *pdev)
lp->tx_bd_num = TX_BD_NUM_DEFAULT;
/* Map device registers */
ethres = platform_get_resource(pdev, IORESOURCE_MEM, 0);
lp->regs_start = ethres->start;
lp->regs = devm_ioremap_resource(&pdev->dev, ethres);
if (IS_ERR(lp->regs)) {
dev_err(&pdev->dev, "could not map Axi Ethernet regs.\n");
ret = PTR_ERR(lp->regs);
goto free_netdev;
}
lp->regs_start = ethres->start;
/* Setup checksum offload, but default to off if not specified */
lp->features = 0;