From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 12 Sep 2018 22:41:46 +0000 (-0400)
Subject: dgnc: don't bother with (empty) stub for TCXONC
X-Git-Tag: v4.20-rc1~145^2~9
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7ebec8d235419a92af42b2d20e0d6cb6dac07dd8;p=thirdparty%2Fkernel%2Fstable.git

dgnc: don't bother with (empty) stub for TCXONC

for pity sake, that case is identical to their default: _and_ bears
an explicit comment re leaving to ldisc.  Which is what default is
doing, obviously...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index c01616f9e6094..b8f8650189509 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -2157,11 +2157,6 @@ static int dgnc_tty_ioctl(struct tty_struct *tty, unsigned int cmd,
 		/* pretend we didn't recognize this */
 		return -ENOIOCTLCMD;
 
-	case TCXONC:
-		spin_unlock_irqrestore(&ch->ch_lock, flags);
-		/* Make the ld do it */
-		return -ENOIOCTLCMD;
-
 	case DIGI_GETA:
 		/* get information for ditty */
 		spin_unlock_irqrestore(&ch->ch_lock, flags);