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pwm: renesas-tpu: fix return value check in tpu_probe()

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In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <[email protected]>
Reviewed-by: Axel Lin <[email protected]>
Acked-by: Laurent Pinchart <[email protected]>
Signed-off-by: Thierry Reding <[email protected]>
This commit is contained in:
Wei Yongjun 2013-06-25 10:09:57 +08:00 • committed by Thierry Reding
commit 00cf99ee00
1 changed files with 2 additions and 4 deletions
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6
drivers/pwm/pwm-renesas-tpu.c
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@ -410,10 +410,8 @@ static int tpu_probe(struct platform_device *pdev)
}
tpu->base = devm_ioremap_resource(&pdev->dev, res);
if (tpu->base == NULL) {
dev_err(&pdev->dev, "failed to remap I/O memory\n");
return -ENXIO;
}
if (IS_ERR(tpu->base))
return PTR_ERR(tpu->base);
tpu->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(tpu->clk)) {