diff mbox series

[2/2] rtc: mpc5121: Use correct return value for mpc5121_rtc_probe()

Message ID 1590370788-15136-2-git-send-email-yangtiezhu@loongson.cn
State Accepted
Headers show
Series [1/2] rtc: goldfish: Use correct return value for goldfish_rtc_probe() | expand

Commit Message

Tiezhu Yang May 25, 2020, 1:39 a.m. UTC 
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 mbox series

Patch

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);