1 files changed, 8 insertions, 18 deletions

diff --git a/drivers/net/ppp/ppp_synctty.c b/drivers/net/ppp/ppp_synctty.c
index 18283b7b94bc..ebcdffdf4f0e 100644
--- a/drivers/net/ppp/ppp_synctty.c
+++ b/drivers/net/ppp/ppp_synctty.c
@@ -93,8 +93,8 @@ static int ppp_sync_ioctl(struct ppp_channel *chan, unsigned int cmd,
 static void ppp_sync_process(struct tasklet_struct *t);
 static int ppp_sync_push(struct syncppp *ap);
 static void ppp_sync_flush_output(struct syncppp *ap);
-static void ppp_sync_input(struct syncppp *ap, const unsigned char *buf,
-			   const char *flags, int count);
+static void ppp_sync_input(struct syncppp *ap, const u8 *buf, const u8 *flags,
+			   int count);
 
 static const struct ppp_channel_ops sync_ops = {
 	.start_xmit = ppp_sync_send,
@@ -255,8 +255,7 @@ static void ppp_sync_hangup(struct tty_struct *tty)
  * Pppd reads and writes packets via /dev/ppp instead.
  */
 static ssize_t
-ppp_sync_read(struct tty_struct *tty, struct file *file,
-	      unsigned char *buf, size_t count,
+ppp_sync_read(struct tty_struct *tty, struct file *file, u8 *buf, size_t count,
 	      void **cookie, unsigned long offset)
 {
 	return -EAGAIN;
@@ -267,8 +266,8 @@ ppp_sync_read(struct tty_struct *tty, struct file *file,
  * from the ppp generic stuff.
  */
 static ssize_t
-ppp_sync_write(struct tty_struct *tty, struct file *file,
-		const unsigned char *buf, size_t count)
+ppp_sync_write(struct tty_struct *tty, struct file *file, const u8 *buf,
+	       size_t count)
 {
 	return -EAGAIN;
 }
@@ -321,17 +320,10 @@ ppp_synctty_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
 	return err;
 }
 
-/* No kernel lock - fine */
-static __poll_t
-ppp_sync_poll(struct tty_struct *tty, struct file *file, poll_table *wait)
-{
-	return 0;
-}
-
 /* May sleep, don't call from interrupt level or with interrupts disabled */
 static void
-ppp_sync_receive(struct tty_struct *tty, const unsigned char *buf,
-		  const char *cflags, int count)
+ppp_sync_receive(struct tty_struct *tty, const u8 *buf, const u8 *cflags,
+		 size_t count)
 {
 	struct syncppp *ap = sp_get(tty);
 	unsigned long flags;
@@ -371,7 +363,6 @@ static struct tty_ldisc_ops ppp_sync_ldisc = {
 	.read	= ppp_sync_read,
 	.write	= ppp_sync_write,
 	.ioctl	= ppp_synctty_ioctl,
-	.poll	= ppp_sync_poll,
 	.receive_buf = ppp_sync_receive,
 	.write_wakeup = ppp_sync_wakeup,
 };
@@ -663,8 +654,7 @@ ppp_sync_flush_output(struct syncppp *ap)
  * frame is considered to be in error and is tossed.
  */
 static void
-ppp_sync_input(struct syncppp *ap, const unsigned char *buf,
-		const char *flags, int count)
+ppp_sync_input(struct syncppp *ap, const u8 *buf, const u8 *flags, int count)
 {
 	struct sk_buff *skb;
 	unsigned char *p;