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authorPan Bian <bianpan2016@163.com>2017-04-23 13:43:24 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-13 19:47:50 +0200
commitd36d6e43078a6ccc1e984534f292e19ab2733935 (patch)
treefdec63b798a50e95bc920ef502e0e95d011c6a2c /drivers/rtc
parentbeaf445bdd0677d45032aa082faa8dc106526bd5 (diff)
rtc: snvs: fix an incorrect check of return value
[ Upstream commit 758929005f06f954b7e1c87a1c9fdb44157b228f ] 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>
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-snvs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c
index 0f11c2a228e3..a753ef9c1459 100644
--- a/drivers/rtc/rtc-snvs.c
+++ b/drivers/rtc/rtc-snvs.c
@@ -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;
}