n_hdlc: remove unused flags

They are only set to 0 and never read.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Link: https://lore.kernel.org/r/20200219084118.26491-9-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/tty/n_hdlc.c b/drivers/tty/n_hdlc.c
index e40561caa45034bfbc9987459ca6932a143baaaf..d0e538ba51ea66caf751bfe7035f632f184d8989 100644 (file)
--- a/drivers/tty/n_hdlc.c
+++ b/drivers/tty/n_hdlc.c
@@ -124,7 +124,6 @@ struct n_hdlc_buf_list {
 /**
  * struct n_hdlc - per device instance data structure
  * @magic - magic value for structure
- * @flags - miscellaneous control flags
  * @tty - ptr to TTY structure
  * @backup_tty - TTY to use if tty gets closed
  * @tbusy - reentrancy flag for tx wakeup code
@@ -136,7 +135,6 @@ struct n_hdlc_buf_list {
  */
 struct n_hdlc {
        int                     magic;
-       __u32                   flags;
        struct tty_struct       *tty;
        struct tty_struct       *backup_tty;
        int                     tbusy;
@@ -808,8 +806,7 @@ static struct n_hdlc *n_hdlc_alloc(void)
        
        /* Initialize the control block */
        n_hdlc->magic  = HDLC_MAGIC;
-       n_hdlc->flags  = 0;
-       
+
        return n_hdlc;
        
 }      /* end of n_hdlc_alloc() */