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authorWei Yongjun <weiyongjun1@huawei.com>2021-03-08 15:30:31 +0300
committerDaniel Lezcano <daniel.lezcano@linaro.org>2021-04-08 14:24:15 +0300
commit2a65f7e2772613debd03fa2492e76a635aa04545 (patch)
tree1604e0c4df7ffe78b932b6ff89ebb862c79d608e /drivers/clocksource/ingenic-ost.c
parentac4daf737674b4d29e19b7c300caff3bcf7160d8 (diff)
downloadlinux-2a65f7e2772613debd03fa2492e76a635aa04545.tar.xz
clocksource/drivers/ingenic_ost: Fix return value check in ingenic_ost_probe()
In case of error, the function device_node_to_regmap() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: ca7b72b5a5f2 ("clocksource: Add driver for the Ingenic JZ47xx OST") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Link: https://lore.kernel.org/r/20210308123031.2285083-1-weiyongjun1@huawei.com
Diffstat (limited to 'drivers/clocksource/ingenic-ost.c')
-rw-r--r--drivers/clocksource/ingenic-ost.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/clocksource/ingenic-ost.c b/drivers/clocksource/ingenic-ost.c
index d2d664601441..06d25754e606 100644
--- a/drivers/clocksource/ingenic-ost.c
+++ b/drivers/clocksource/ingenic-ost.c
@@ -88,9 +88,9 @@ static int __init ingenic_ost_probe(struct platform_device *pdev)
return PTR_ERR(ost->regs);
map = device_node_to_regmap(dev->parent->of_node);
- if (!map) {
+ if (IS_ERR(map)) {
dev_err(dev, "regmap not found");
- return -EINVAL;
+ return PTR_ERR(map);
}
ost->clk = devm_clk_get(dev, "ost");