From: Shuiqing Li Date: Fri, 8 Nov 2019 10:57:12 +0000 (+0800) Subject: watchdog: sprd: Fix the incorrect pointer getting from driver data X-Git-Tag: v5.4.15~58 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2b35a576043f37641a1743ad0dd8cbf88161992c;p=platform%2Fkernel%2Flinux-rpi.git watchdog: sprd: Fix the incorrect pointer getting from driver data commit 39e68d9e7ab276880980ee5386301fb218202192 upstream. The device driver data saved the 'struct sprd_wdt' object, it is incorrect to get 'struct watchdog_device' object from the driver data, thus fix it. Fixes: 477603467009 ("watchdog: Add Spreadtrum watchdog driver") Reported-by: Dongwei Wang Signed-off-by: Shuiqing Li Signed-off-by: Baolin Wang Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/76d4687189ec940baa90cb8d679a8d4c8f02ee80.1573210405.git.baolin.wang@linaro.org Signed-off-by: Guenter Roeck Signed-off-by: Wim Van Sebroeck Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/watchdog/sprd_wdt.c b/drivers/watchdog/sprd_wdt.c index 0bb17b0..65cb55f 100644 --- a/drivers/watchdog/sprd_wdt.c +++ b/drivers/watchdog/sprd_wdt.c @@ -327,10 +327,9 @@ static int sprd_wdt_probe(struct platform_device *pdev) static int __maybe_unused sprd_wdt_pm_suspend(struct device *dev) { - struct watchdog_device *wdd = dev_get_drvdata(dev); struct sprd_wdt *wdt = dev_get_drvdata(dev); - if (watchdog_active(wdd)) + if (watchdog_active(&wdt->wdd)) sprd_wdt_stop(&wdt->wdd); sprd_wdt_disable(wdt); @@ -339,7 +338,6 @@ static int __maybe_unused sprd_wdt_pm_suspend(struct device *dev) static int __maybe_unused sprd_wdt_pm_resume(struct device *dev) { - struct watchdog_device *wdd = dev_get_drvdata(dev); struct sprd_wdt *wdt = dev_get_drvdata(dev); int ret; @@ -347,7 +345,7 @@ static int __maybe_unused sprd_wdt_pm_resume(struct device *dev) if (ret) return ret; - if (watchdog_active(wdd)) { + if (watchdog_active(&wdt->wdd)) { ret = sprd_wdt_start(&wdt->wdd); if (ret) { sprd_wdt_disable(wdt);