luck/tmp_suning_uos_patched
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Merge git://www.linux-watchdog.org/linux-watchdog

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Pull watchdog fixes from Wim Van Sebroeck:
 "This fixes:
   - the WDIOC_GETSTATUS return value
   - the unregister of all NMI events on exit
   - the loading of the iTCO_wdt driver after the conversion to the
     lpc_ich mfd model."

* git://www.linux-watchdog.org/linux-watchdog:
  watchdog: core: fix WDIOC_GETSTATUS return value
  watchdog: hpwdt: Unregister NMI events on exit.
  watchdog: iTCO_wdt: add platform driver module alias
This commit is contained in:
Linus Torvalds 2012-06-28 11:51:19 -07:00
commit ccce27c0fe
3 changed files with 5 additions and 2 deletions
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4
drivers/watchdog/hpwdt.c
View File

@ -146,7 +146,7 @@ struct cmn_registers {
} __attribute__((packed));
static unsigned int hpwdt_nmi_decoding;
static unsigned int allow_kdump;
static unsigned int allow_kdump = 1;
static unsigned int is_icru;
static DEFINE_SPINLOCK(rom_lock);
static void *cru_rom_addr;
@ -756,6 +756,8 @@ static int __devinit hpwdt_init_nmi_decoding(struct pci_dev *dev)
static void hpwdt_exit_nmi_decoding(void)
{
unregister_nmi_handler(NMI_UNKNOWN, "hpwdt");
unregister_nmi_handler(NMI_SERR, "hpwdt");
unregister_nmi_handler(NMI_IO_CHECK, "hpwdt");
if (cru_rom_addr)
iounmap(cru_rom_addr);
}

1
drivers/watchdog/iTCO_wdt.c
View File

@ -699,3 +699,4 @@ MODULE_DESCRIPTION("Intel TCO WatchDog Timer Driver");
MODULE_VERSION(DRV_VERSION);
MODULE_LICENSE("GPL");
MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
MODULE_ALIAS("platform:" DRV_NAME);

2
drivers/watchdog/watchdog_dev.c
View File

@ -349,7 +349,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
sizeof(struct watchdog_info)) ? -EFAULT : 0;
case WDIOC_GETSTATUS:
err = watchdog_get_status(wdd, &val);
if (err)
if (err == -ENODEV)
return err;
return put_user(val, p);
case WDIOC_GETBOOTSTATUS: