2011-05-16 01:23:02 +08:00
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--- a/drivers/cbus/retu-wdt.c
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+++ b/drivers/cbus/retu-wdt.c
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2011-03-03 00:20:58 +08:00
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@@ -56,7 +56,7 @@ static int counter_param = RETU_WDT_MAX_
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struct retu_wdt_dev {
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struct device *dev;
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- int users;
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+ unsigned long users;
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struct miscdevice retu_wdt_miscdev;
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struct delayed_work ping_work;
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};
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@@ -161,7 +161,7 @@ static DEVICE_ATTR(counter, S_IRUGO, ret
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static int retu_wdt_open(struct inode *inode, struct file *file)
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{
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- if (test_and_set_bit(1, (unsigned long *)&(retu_wdt->users)))
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+ if (test_and_set_bit(0, &retu_wdt->users))
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return -EBUSY;
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file->private_data = (void *)retu_wdt;
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@@ -177,7 +177,7 @@ static int retu_wdt_release(struct inode
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#ifndef CONFIG_WATCHDOG_NOWAYOUT
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retu_wdt_ping_enable(retu_wdt);
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#endif
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- wdev->users = 0;
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+ clear_bit(0, &retu_wdt->users);
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return 0;
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}
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@@ -264,7 +264,6 @@ static int __init retu_wdt_probe(struct
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return -ENOMEM;
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wdev->dev = &pdev->dev;
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- wdev->users = 0;
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ret = device_create_file(&pdev->dev, &dev_attr_period);
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if (ret) {
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