mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-30 23:54:04 +08:00
Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: rtc: Staticize non-exported __rtc_set_alarm() rtc: Fix ioctl error path return ptp: Fix some locking bugs in ptp_read() ptp: Return -EFAULT on copy_to_user() errors
This commit is contained in:
commit
80dadf86d6
@ -46,7 +46,8 @@ long ptp_ioctl(struct posix_clock *pc, unsigned int cmd, unsigned long arg)
|
||||
caps.n_ext_ts = ptp->info->n_ext_ts;
|
||||
caps.n_per_out = ptp->info->n_per_out;
|
||||
caps.pps = ptp->info->pps;
|
||||
err = copy_to_user((void __user *)arg, &caps, sizeof(caps));
|
||||
if (copy_to_user((void __user *)arg, &caps, sizeof(caps)))
|
||||
err = -EFAULT;
|
||||
break;
|
||||
|
||||
case PTP_EXTTS_REQUEST:
|
||||
@ -129,8 +130,10 @@ ssize_t ptp_read(struct posix_clock *pc,
|
||||
return -ERESTARTSYS;
|
||||
}
|
||||
|
||||
if (ptp->defunct)
|
||||
if (ptp->defunct) {
|
||||
mutex_unlock(&ptp->tsevq_mux);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
spin_lock_irqsave(&queue->lock, flags);
|
||||
|
||||
@ -150,10 +153,8 @@ ssize_t ptp_read(struct posix_clock *pc,
|
||||
|
||||
mutex_unlock(&ptp->tsevq_mux);
|
||||
|
||||
if (copy_to_user(buf, event, cnt)) {
|
||||
mutex_unlock(&ptp->tsevq_mux);
|
||||
if (copy_to_user(buf, event, cnt))
|
||||
return -EFAULT;
|
||||
}
|
||||
|
||||
return cnt;
|
||||
}
|
||||
|
@ -318,7 +318,7 @@ int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
|
||||
}
|
||||
EXPORT_SYMBOL_GPL(rtc_read_alarm);
|
||||
|
||||
int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
|
||||
static int __rtc_set_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
|
||||
{
|
||||
struct rtc_time tm;
|
||||
long now, scheduled;
|
||||
|
@ -421,7 +421,8 @@ static long rtc_dev_ioctl(struct file *file,
|
||||
err = ops->ioctl(rtc->dev.parent, cmd, arg);
|
||||
if (err == -ENOIOCTLCMD)
|
||||
err = -ENOTTY;
|
||||
}
|
||||
} else
|
||||
err = -ENOTTY;
|
||||
break;
|
||||
}
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user