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authorShuiqing Li <shuiqing.li@unisoc.com>2019-11-08 18:57:12 +0800
committerWim Van Sebroeck <wim@linux-watchdog.org>2019-11-18 19:53:45 +0100
commit39e68d9e7ab276880980ee5386301fb218202192 (patch)
treec3b286815b7d17d5b4f802a4ae208b53981cf0ca /drivers/watchdog
parentc04571251b3d842096f1597f5d4badb508be016d (diff)
downloadblackbird-op-linux-39e68d9e7ab276880980ee5386301fb218202192.tar.gz
blackbird-op-linux-39e68d9e7ab276880980ee5386301fb218202192.zip
watchdog: sprd: Fix the incorrect pointer getting from driver data
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 <dongwei.wang@unisoc.com> Signed-off-by: Shuiqing Li <shuiqing.li@unisoc.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/76d4687189ec940baa90cb8d679a8d4c8f02ee80.1573210405.git.baolin.wang@linaro.org Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Diffstat (limited to 'drivers/watchdog')
-rw-r--r--drivers/watchdog/sprd_wdt.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/watchdog/sprd_wdt.c b/drivers/watchdog/sprd_wdt.c
index 0bb17b046140..65cb55f3916f 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);
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