xen_wdt_release() shouldn't clear is_active even when the watchdog didn't get stopped (which by itself shouldn't happen, but let's return a proper error in this case rather than adding a BUG() upon hypercall failure). Signed-off-by: Jan Beulich <jbeulich@xxxxxxxx> --- drivers/watchdog/xen_wdt.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) --- 3.3/drivers/watchdog/xen_wdt.c +++ 3.3-xen-watchdog-release/drivers/watchdog/xen_wdt.c @@ -131,16 +131,18 @@ static int xen_wdt_open(struct inode *in static int xen_wdt_release(struct inode *inode, struct file *file) { + int err = 0; + if (expect_release) - xen_wdt_stop(); + err = xen_wdt_stop(); else { printk(KERN_CRIT PFX "unexpected close, not stopping watchdog!\n"); xen_wdt_kick(); } - is_active = false; + is_active = err; expect_release = false; - return 0; + return err; } static ssize_t xen_wdt_write(struct file *file, const char __user *data, -- To unsubscribe from this list: send the line "unsubscribe linux-watchdog" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html