Revert "tty: make receive_buf() return the amout of bytes received"

[mirror_ubuntu-hirsute-kernel.git] / drivers / net / hamradio / mkiss.c

diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 0e4f23531140c8ca6f938447f145351c39b93a37..4c628393c8b157cbc09de52d902b5fa8c3d370a3 100644 (file)
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -923,14 +923,13 @@ static long mkiss_compat_ioctl(struct tty_struct *tty, struct file *file,
  * a block of data has been received, which can now be decapsulated
  * and sent on to the AX.25 layer for further processing.
  */
-static unsigned int mkiss_receive_buf(struct tty_struct *tty,
-               const unsigned char *cp, char *fp, int count)
+static void mkiss_receive_buf(struct tty_struct *tty, const unsigned char *cp,
+       char *fp, int count)
 {
        struct mkiss *ax = mkiss_get(tty);
-       int bytes = count;
 
        if (!ax)
-               return -ENODEV;
+               return;
 
        /*
         * Argh! mtu change time! - costs us the packet part received
@@ -940,7 +939,7 @@ static unsigned int mkiss_receive_buf(struct tty_struct *tty,
                ax_changedmtu(ax);
 
        /* Read the characters out of the buffer */
-       while (bytes--) {
+       while (count--) {
                if (fp != NULL && *fp++) {
                        if (!test_and_set_bit(AXF_ERROR, &ax->flags))
                                ax->dev->stats.rx_errors++;
@@ -953,8 +952,6 @@ static unsigned int mkiss_receive_buf(struct tty_struct *tty,
 
        mkiss_put(ax);
        tty_unthrottle(tty);
-
-       return count;
 }
 
 /*