line_ioctl() has no real function.

Signed-off-by: Richard Weinberger <rich...@nod.at>
---
 arch/um/drivers/line.c          |   86 ---------------------------------------
 arch/um/drivers/line.h          |    2 -
 arch/um/drivers/ssl.c           |    1 -
 arch/um/drivers/stdio_console.c |    1 -
 4 files changed, 0 insertions(+), 90 deletions(-)

diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index fb6e4ea..131129a 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -221,92 +221,6 @@ void line_set_termios(struct tty_struct *tty, struct 
ktermios * old)
        /* nothing */
 }
 
-static const struct {
-       int  cmd;
-       char *level;
-       char *name;
-} tty_ioctls[] = {
-       /* don't print these, they flood the log ... */
-       { TCGETS,      NULL,       "TCGETS"      },
-       { TCSETS,      NULL,       "TCSETS"      },
-       { TCSETSW,     NULL,       "TCSETSW"     },
-       { TCFLSH,      NULL,       "TCFLSH"      },
-       { TCSBRK,      NULL,       "TCSBRK"      },
-
-       /* general tty stuff */
-       { TCSETSF,     KERN_DEBUG, "TCSETSF"     },
-       { TCGETA,      KERN_DEBUG, "TCGETA"      },
-       { TIOCMGET,    KERN_DEBUG, "TIOCMGET"    },
-       { TCSBRKP,     KERN_DEBUG, "TCSBRKP"     },
-       { TIOCMSET,    KERN_DEBUG, "TIOCMSET"    },
-
-       /* linux-specific ones */
-       { TIOCLINUX,   KERN_INFO,  "TIOCLINUX"   },
-       { KDGKBMODE,   KERN_INFO,  "KDGKBMODE"   },
-       { KDGKBTYPE,   KERN_INFO,  "KDGKBTYPE"   },
-       { KDSIGACCEPT, KERN_INFO,  "KDSIGACCEPT" },
-};
-
-int line_ioctl(struct tty_struct *tty, unsigned int cmd,
-                               unsigned long arg)
-{
-       int ret;
-       int i;
-
-       ret = 0;
-       switch(cmd) {
-#ifdef TIOCGETP
-       case TIOCGETP:
-       case TIOCSETP:
-       case TIOCSETN:
-#endif
-#ifdef TIOCGETC
-       case TIOCGETC:
-       case TIOCSETC:
-#endif
-#ifdef TIOCGLTC
-       case TIOCGLTC:
-       case TIOCSLTC:
-#endif
-       /* Note: these are out of date as we now have TCGETS2 etc but this
-          whole lot should probably go away */
-       case TCGETS:
-       case TCSETSF:
-       case TCSETSW:
-       case TCSETS:
-       case TCGETA:
-       case TCSETAF:
-       case TCSETAW:
-       case TCSETA:
-       case TCXONC:
-       case TCFLSH:
-       case TIOCOUTQ:
-       case TIOCINQ:
-       case TIOCGLCKTRMIOS:
-       case TIOCSLCKTRMIOS:
-       case TIOCPKT:
-       case TIOCGSOFTCAR:
-       case TIOCSSOFTCAR:
-               return -ENOIOCTLCMD;
-#if 0
-       case TCwhatever:
-               /* do something */
-               break;
-#endif
-       default:
-               for (i = 0; i < ARRAY_SIZE(tty_ioctls); i++)
-                       if (cmd == tty_ioctls[i].cmd)
-                               break;
-               if (i == ARRAY_SIZE(tty_ioctls)) {
-                       printk(KERN_ERR "%s: %s: unknown ioctl: 0x%x\n",
-                              __func__, tty->name, cmd);
-               }
-               ret = -ENOIOCTLCMD;
-               break;
-       }
-       return ret;
-}
-
 void line_throttle(struct tty_struct *tty)
 {
        struct line *line = tty->driver_data;
diff --git a/arch/um/drivers/line.h b/arch/um/drivers/line.h
index 5b3d4fb..6c3b252 100644
--- a/arch/um/drivers/line.h
+++ b/arch/um/drivers/line.h
@@ -69,8 +69,6 @@ extern int line_chars_in_buffer(struct tty_struct *tty);
 extern void line_flush_buffer(struct tty_struct *tty);
 extern void line_flush_chars(struct tty_struct *tty);
 extern int line_write_room(struct tty_struct *tty);
-extern int line_ioctl(struct tty_struct *tty, unsigned int cmd,
-                               unsigned long arg);
 extern void line_throttle(struct tty_struct *tty);
 extern void line_unthrottle(struct tty_struct *tty);
 
diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index e09801a..a39d53e 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -129,7 +129,6 @@ static const struct tty_operations ssl_ops = {
        .flush_buffer           = line_flush_buffer,
        .flush_chars            = line_flush_chars,
        .set_termios            = line_set_termios,
-       .ioctl                  = line_ioctl,
        .throttle               = line_throttle,
        .unthrottle             = line_unthrottle,
 #if 0
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 7663541..5cefdba 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -112,7 +112,6 @@ static const struct tty_operations console_ops = {
        .flush_buffer           = line_flush_buffer,
        .flush_chars            = line_flush_chars,
        .set_termios            = line_set_termios,
-       .ioctl                  = line_ioctl,
        .throttle               = line_throttle,
        .unthrottle             = line_unthrottle,
 };
-- 
1.7.7.3


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