Do not set the system power-off callback and omap power-off rtc pointer
until we're done setting up our device to avoid leaving stale pointers
around after a late probe error.

Fixes: 97ea1906b3c2 ("rtc: omap: Support ext_wakeup configuration")
Cc: stable <[email protected]>     # 4.9
Cc: Marcin Niestroj <[email protected]>
Cc: Tony Lindgren <[email protected]>
Signed-off-by: Johan Hovold <[email protected]>
---
 drivers/rtc/rtc-omap.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index 39086398833e..c214b69a8787 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -861,13 +861,6 @@ static int omap_rtc_probe(struct platform_device *pdev)
                        goto err;
        }
 
-       if (rtc->is_pmic_controller) {
-               if (!pm_power_off) {
-                       omap_rtc_power_off_rtc = rtc;
-                       pm_power_off = omap_rtc_power_off;
-               }
-       }
-
        /* Support ext_wakeup pinconf */
        rtc_pinctrl_desc.name = dev_name(&pdev->dev);
 
@@ -884,6 +877,13 @@ static int omap_rtc_probe(struct platform_device *pdev)
 
        rtc_nvmem_register(rtc->rtc, &omap_rtc_nvmem_config);
 
+       if (rtc->is_pmic_controller) {
+               if (!pm_power_off) {
+                       omap_rtc_power_off_rtc = rtc;
+                       pm_power_off = omap_rtc_power_off;
+               }
+       }
+
        return 0;
 
 err:
-- 
2.18.0

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