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rtc: snvs: fix an incorrect check of return value

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[ Upstream commit 758929005f ]

Function devm_regmap_init_mmio() returns an ERR_PTR on error. However,
in function snvs_rtc_probe() its return value is checked against NULL.
This patch fixes it by checking the return value with IS_ERR().

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Pan Bian 2017-04-23 13:43:24 +08:00 committed by Greg Kroah-Hartman
parent 5c6230241a
commit fdd8b15f86
1 changed files with 1 additions and 1 deletions
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2
drivers/rtc/rtc-snvs.c
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@ -257,7 +257,7 @@ static int snvs_rtc_probe(struct platform_device *pdev)
of_property_read_u32(pdev->dev.of_node, "offset", &data->offset);
}
if (!data->regmap) {
if (IS_ERR(data->regmap)) {
dev_err(&pdev->dev, "Can't find snvs syscon\n");
return -ENODEV;
}