From: Jiri Slaby <jirislaby@gmail.com>
Date: Sun, 6 Sep 2009 21:10:09 +0000 (+0200)
Subject: tty: riscom8, fix tty refcnt
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7e63d0c453aa3fae714bc679f6768203b5dc9c32;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

tty: riscom8, fix tty refcnt

Stanse found a tty refcnt leak on one fail path in rc_transmit.
Fix that by jumping to the 'out' label.

http://stanse.fi.muni.cz/

Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 3c7cf2cf3ea2..3cfa22d469e0 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -467,7 +467,7 @@ static void rc_transmit(struct riscom_board const *bp)
 			rc_out(bp, CD180_CCR, CCR_CORCHG2);
 			port->break_length = 0;
 		}
-		return;
+		goto out;
 	}
 
 	count = CD180_NFIFO;