From: Tilman Schmidt <tilman@imap.cc>
To: Paul Bolle <pebolle@tiscali.nl>, netdev@vger.kernel.org
Cc: Peter Hurley <peter@hurleysoftware.com>,
Sasha Levin <sasha.levin@oracle.com>,
<syzkaller@googlegroups.com>, David Miller <davem@davemloft.net>,
Karsten Keil <isdn@linux-pingi.de>,
isdn4linux@listserv.isdn4linux.de,
<gigaset307x-common@lists.sourceforge.net>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH 1/3] ser_gigaset: fix up NULL checks
Date: Tue, 8 Dec 2015 12:00:33 +0100 (CET) [thread overview]
Message-ID: <ed83fae92c8c56e659f59c9a3709c86bd3a7d0c4.1449570042.git.tilman@imap.cc> (raw)
In-Reply-To: <cover.1449570042.git.tilman@imap.cc>
Commit f34d7a5b changed tty->driver to tty->ops but left NULL checks
for tty->driver untouched. Fix.
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Fixes: f34d7a5b7010 ("tty: The big operations rework")
---
drivers/isdn/gigaset/ser-gigaset.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 375be50..d8771b5 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -67,7 +67,7 @@ static int write_modem(struct cardstate *cs)
struct sk_buff *skb = bcs->tx_skb;
int sent = -EOPNOTSUPP;
- if (!tty || !tty->driver || !skb)
+ if (!tty || !tty->ops || !skb)
return -EINVAL;
if (!skb->len) {
@@ -109,7 +109,7 @@ static int send_cb(struct cardstate *cs)
unsigned long flags;
int sent = 0;
- if (!tty || !tty->driver)
+ if (!tty || !tty->ops)
return -EFAULT;
cb = cs->cmdbuf;
@@ -432,7 +432,7 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
struct tty_struct *tty = cs->hw.ser->tty;
unsigned int set, clear;
- if (!tty || !tty->driver || !tty->ops->tiocmset)
+ if (!tty || !tty->ops || !tty->ops->tiocmset)
return -EINVAL;
set = new_state & ~old_state;
clear = old_state & ~new_state;
--
1.9.2.459.g68773ac
next prev parent reply other threads:[~2015-12-08 11:14 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-08 11:00 [PATCH 0/3] ser_gigaset fixes Tilman Schmidt
2015-12-08 11:00 ` Tilman Schmidt [this message]
2015-12-08 19:45 ` [PATCH 1/3] ser_gigaset: fix up NULL checks Paul Bolle
2015-12-08 22:16 ` One Thousand Gnomes
2015-12-09 10:45 ` Tilman Schmidt
2015-12-09 12:12 ` One Thousand Gnomes
2015-12-09 19:18 ` Paul Bolle
2015-12-08 11:00 ` [PATCH 2/3] ser_gigaset: fix deallocation of platform device structure Tilman Schmidt
2015-12-08 23:12 ` Paul Bolle
2015-12-09 11:10 ` Tilman Schmidt
2015-12-10 11:20 ` Paul Bolle
2015-12-10 14:04 ` Peter Hurley
2015-12-12 17:52 ` Tilman Schmidt
2015-12-08 11:00 ` [PATCH 3/3] ser_gigaset: remove unnecessary kfree() calls from release method Tilman Schmidt
2015-12-08 23:15 ` Paul Bolle
2015-12-10 11:31 ` [PATCH 0/3] ser_gigaset fixes Paul Bolle
2015-12-12 18:09 ` Tilman Schmidt
2015-12-12 18:32 ` Paul Bolle
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