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openwrt-xburst/target/linux/omap24xx/patches-2.6.38/531-cbus-retu-wdt-fix-bitfield.patch
mb a57ea1353c cbus-retu-wdt: Some fixes
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@25832 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-03-02 16:20:58 +00:00

40 lines
1.2 KiB
Diff

Index: linux-2.6.38-rc6/drivers/cbus/retu-wdt.c
===================================================================
--- linux-2.6.38-rc6.orig/drivers/cbus/retu-wdt.c 2011-03-02 16:46:24.574676092 +0100
+++ linux-2.6.38-rc6/drivers/cbus/retu-wdt.c 2011-03-02 16:48:17.469807413 +0100
@@ -56,7 +56,7 @@ static int counter_param = RETU_WDT_MAX_
struct retu_wdt_dev {
struct device *dev;
- int users;
+ unsigned long users;
struct miscdevice retu_wdt_miscdev;
struct delayed_work ping_work;
};
@@ -161,7 +161,7 @@ static DEVICE_ATTR(counter, S_IRUGO, ret
static int retu_wdt_open(struct inode *inode, struct file *file)
{
- if (test_and_set_bit(1, (unsigned long *)&(retu_wdt->users)))
+ if (test_and_set_bit(0, &retu_wdt->users))
return -EBUSY;
file->private_data = (void *)retu_wdt;
@@ -177,7 +177,7 @@ static int retu_wdt_release(struct inode
#ifndef CONFIG_WATCHDOG_NOWAYOUT
retu_wdt_ping_enable(retu_wdt);
#endif
- wdev->users = 0;
+ clear_bit(0, &retu_wdt->users);
return 0;
}
@@ -264,7 +264,6 @@ static int __init retu_wdt_probe(struct
return -ENOMEM;
wdev->dev = &pdev->dev;
- wdev->users = 0;
ret = device_create_file(&pdev->dev, &dev_attr_period);
if (ret) {