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-rw-r--r--drivers/watchdog/booke_wdt.c7
-rw-r--r--drivers/watchdog/da9052_wdt.c1
-rw-r--r--drivers/watchdog/hpwdt.c3
-rw-r--r--drivers/watchdog/watchdog_core.c3
4 files changed, 8 insertions, 6 deletions
diff --git a/drivers/watchdog/booke_wdt.c b/drivers/watchdog/booke_wdt.c
index 3fe82d0e8ca..5b06d31ab6a 100644
--- a/drivers/watchdog/booke_wdt.c
+++ b/drivers/watchdog/booke_wdt.c
@@ -166,18 +166,17 @@ static long booke_wdt_ioctl(struct file *file,
switch (cmd) {
case WDIOC_GETSUPPORT:
- if (copy_to_user((void *)arg, &ident, sizeof(ident)))
- return -EFAULT;
+ return copy_to_user(p, &ident, sizeof(ident)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
return put_user(0, p);
case WDIOC_GETBOOTSTATUS:
/* XXX: something is clearing TSR */
tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
/* returns CARDRESET if last reset was caused by the WDT */
- return (tmp ? WDIOF_CARDRESET : 0);
+ return put_user((tmp ? WDIOF_CARDRESET : 0), p);
case WDIOC_SETOPTIONS:
if (get_user(tmp, p))
- return -EINVAL;
+ return -EFAULT;
if (tmp == WDIOS_ENABLECARD) {
booke_wdt_ping();
break;
diff --git a/drivers/watchdog/da9052_wdt.c b/drivers/watchdog/da9052_wdt.c
index 3f75129eb0a..f7abbaeebca 100644
--- a/drivers/watchdog/da9052_wdt.c
+++ b/drivers/watchdog/da9052_wdt.c
@@ -21,7 +21,6 @@
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/jiffies.h>
-#include <linux/delay.h>
#include <linux/mfd/da9052/reg.h>
#include <linux/mfd/da9052/da9052.h>
diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c
index 1eff743ec49..ae60406ea8a 100644
--- a/drivers/watchdog/hpwdt.c
+++ b/drivers/watchdog/hpwdt.c
@@ -814,6 +814,9 @@ static int __devinit hpwdt_init_one(struct pci_dev *dev,
hpwdt_timer_reg = pci_mem_addr + 0x70;
hpwdt_timer_con = pci_mem_addr + 0x72;
+ /* Make sure that timer is disabled until /dev/watchdog is opened */
+ hpwdt_stop();
+
/* Make sure that we have a valid soft_margin */
if (hpwdt_change_timer(soft_margin))
hpwdt_change_timer(DEFAULT_MARGIN);
diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c
index 6aa46a90ff0..3796434991f 100644
--- a/drivers/watchdog/watchdog_core.c
+++ b/drivers/watchdog/watchdog_core.c
@@ -128,11 +128,12 @@ EXPORT_SYMBOL_GPL(watchdog_register_device);
void watchdog_unregister_device(struct watchdog_device *wdd)
{
int ret;
- int devno = wdd->cdev.dev;
+ int devno;
if (wdd == NULL)
return;
+ devno = wdd->cdev.dev;
ret = watchdog_dev_unregister(wdd);
if (ret)
pr_err("error unregistering /dev/watchdog (err=%d)\n", ret);