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rt2x00: fix clk_get call

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clk_get() takes two arguments and might return ERR_PTR(), so we
have to nullify pointer on that case, to do not break further call
to clk_get_rate().

Reported-by: Felix Fietkau <nbd@nbd.name>
Fixes: 34db70b92f ("rt2x00: add copy of clk for soc devices")
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
This commit is contained in:
Stanislaw Gruszka 2017-01-29 12:40:52 +01:00 committed by Kalle Valo
parent 575ddce050
commit 33e962c887
1 changed files with 4 additions and 1 deletions
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5
drivers/net/wireless/ralink/rt2x00/rt2x00soc.c
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@ -92,7 +92,10 @@ int rt2x00soc_probe(struct platform_device *pdev, const struct rt2x00_ops *ops)
rt2x00dev->hw = hw;
rt2x00dev->irq = platform_get_irq(pdev, 0);
rt2x00dev->name = pdev->dev.driver->name;
rt2x00dev->clk = clk_get(&pdev->dev);
rt2x00dev->clk = clk_get(&pdev->dev, NULL);
if (IS_ERR(rt2x00dev->clk))
rt2x00dev->clk = NULL;
rt2x00_set_chip_intf(rt2x00dev, RT2X00_CHIP_INTF_SOC);