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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Alexandre Belloni <alexandre.belloni@free-electrons.com>,
        Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Subject: [PATCH 4.14 084/100] rtc: omap: fix error path when pinctrl_register fails
Date:   Thu, 29 Nov 2018 15:12:54 +0100
Message-Id: <20181129140106.039538463@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexandre Belloni <alexandre.belloni@free-electrons.com>

commit 26e480f7bb7840fc0daa9c3af7c4501b2cf5902f upstream.

If pinctrl_register() fails probe will return with an error without locking
the RTC and disabling pm_runtime.
Set ret and jump to err instead.

Fixes: 97ea1906b3c2 ("rtc: omap: Support ext_wakeup configuration")
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/rtc/rtc-omap.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -823,7 +823,8 @@ static int omap_rtc_probe(struct platfor
 	rtc->pctldev = pinctrl_register(&rtc_pinctrl_desc, &pdev->dev, rtc);
 	if (IS_ERR(rtc->pctldev)) {
 		dev_err(&pdev->dev, "Couldn't register pinctrl driver\n");
-		return PTR_ERR(rtc->pctldev);
+		ret = PTR_ERR(rtc->pctldev);
+		goto err;
 	}
 
 	if (rtc->is_pmic_controller) {