Commit 8b9468d4 authored by Wim Van Sebroeck's avatar Wim Van Sebroeck

watchdog: core: fix WDIOC_GETSTATUS return value

In commit 7a879824 we added
a wrapper for the WDIOC_GETSTATUS ioctl call. The code results
however in a different behaviour: it returns an error if the
driver doesn't support the status operation. This is not
according to the API that says that when we don't support
the status operation, that we just should return a 0 value.
Only when the device isn't there anymore, we should return an
Signed-off-by: default avatarWim Van Sebroeck <>
parent a089361c
......@@ -349,7 +349,7 @@ static long watchdog_ioctl(struct file *file, unsigned int cmd,
sizeof(struct watchdog_info)) ? -EFAULT : 0;
err = watchdog_get_status(wdd, &val);
if (err)
if (err == -ENODEV)
return err;
return put_user(val, p);
Markdown is supported
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment