Messages in this thread Patch in this message | | | From | Tiezhu Yang <> | Subject | [PATCH 2/2] rtc: mpc5121: Use correct return value for mpc5121_rtc_probe() | Date | Mon, 25 May 2020 09:39:48 +0800 |
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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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