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Subject[PATCH 2/2] rtc: mpc5121: Use correct return value for mpc5121_rtc_probe()
Date
When call function devm_platform_ioremap_resource(), we should use IS_ERR()
to check the return value and return PTR_ERR() if failed.

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
---
drivers/rtc/rtc-mpc5121.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c
index 3040844..5c2ce71 100644
--- a/drivers/rtc/rtc-mpc5121.c
+++ b/drivers/rtc/rtc-mpc5121.c
@@ -316,7 +316,7 @@ static int mpc5121_rtc_probe(struct platform_device *op)
rtc->regs = devm_platform_ioremap_resource(op, 0);
if (IS_ERR(rtc->regs)) {
dev_err(&op->dev, "%s: couldn't map io space\n", __func__);
- return -ENOSYS;
+ return PTR_ERR(rtc->regs);
}

device_init_wakeup(&op->dev, 1);
--
2.1.0
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