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net: ethernet: renesas: sh_eth: don't open code of_device_get_match_data()

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This change will also make Coverity happy by avoiding a theoretical NULL
pointer dereference; yet another reason is to use the above helper function
to tighten the code and make it more readable.

Signed-off-by: Wolfram Sang <[email protected]>
Reviewed-by: Simon Horman <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Wolfram Sang 2016-03-01 17:37:59 +01:00 • committed by David S. Miller
commit 42a67c9b0c
1 changed files with 3 additions and 7 deletions
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10
drivers/net/ethernet/renesas/sh_eth.c
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@ -3061,15 +3061,11 @@ static int sh_eth_drv_probe(struct platform_device *pdev)
mdp->ether_link_active_low = pd->ether_link_active_low;
/* set cpu data */
if (id) {
if (id)
mdp->cd = (struct sh_eth_cpu_data *)id->driver_data;
} else {
const struct of_device_id *match;
else
mdp->cd = (struct sh_eth_cpu_data *)of_device_get_match_data(&pdev->dev);
match = of_match_device(of_match_ptr(sh_eth_match_table),
&pdev->dev);
mdp->cd = (struct sh_eth_cpu_data *)match->data;
}
mdp->reg_offset = sh_eth_get_register_offset(mdp->cd->register_type);
if (!mdp->reg_offset) {
dev_err(&pdev->dev, "Unknown register type (%d)\n",