#include <linux/ppp_channel.h>
#include <linux/spinlock.h>
#include <linux/init.h>
+#include <linux/jiffies.h>
#include <asm/uaccess.h>
#include <asm/string.h>
* way to fix this is to use a rwlock in the tty struct, but for now
* we use a single global rwlock for all ttys in ppp line discipline.
*
- * FIXME: this is no longer true. The _close path for the ldisc is
- * now guaranteed to be sane.
+ * FIXME: this is no longer true. The _close path for the ldisc is
+ * now guaranteed to be sane.
*/
static DEFINE_RWLOCK(disc_data_lock);
* Called in process context only. May be re-entered by multiple
* ioctl calling threads.
*/
-
+
static int
ppp_asynctty_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
* character if necessary.
*/
if (islcp || flag_time == 0
- || jiffies - ap->last_xmit >= flag_time)
+ || time_after_eq(jiffies, ap->last_xmit + flag_time))
*buf++ = PPP_FLAG;
ap->last_xmit = jiffies;
fcs = PPP_INITFCS;