From: Eugene Teo <eugeneteo@kernel.sg>
Date: Wed, 30 Jul 2008 19:38:59 +0000 (-0700)
Subject: hamradio: add missing sanity check to tty operation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5608784fdf417467cbb2ccfb1129500464416f79;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

hamradio: add missing sanity check to tty operation

Add missing sanity check to tty operation.

Acked-by: Alan Cox <alan@redhat.com>
Signed-off-by: Eugene Teo <eteo@redhat.com>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
---

diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 3249df5e0f17..b8e25c4624d2 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -548,7 +548,7 @@ static int ax_xmit(struct sk_buff *skb, struct net_device *dev)
 		}
 
 		printk(KERN_ERR "mkiss: %s: transmit timed out, %s?\n", dev->name,
-		       (ax->tty->ops->chars_in_buffer(ax->tty) || ax->xleft) ?
+		       (tty_chars_in_buffer(ax->tty) || ax->xleft) ?
 		       "bad line quality" : "driver error");
 
 		ax->xleft = 0;