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Date: Mon, 25 May 2020 09:39:48 +0800 From: Tiezhu Yang <yangtiezhu@...ngson.cn> To: Alessandro Zummo <a.zummo@...ertech.it>, Alexandre Belloni <alexandre.belloni@...tlin.com> Cc: linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org, Xuefeng Li <lixuefeng@...ngson.cn>, Tiezhu Yang <yangtiezhu@...ngson.cn> Subject: [PATCH 2/2] rtc: mpc5121: Use correct return value for mpc5121_rtc_probe() 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@...ngson.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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