linux-kernel - [PATCH 1/3] Char: mxser, fix oops when removing opened

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Message-id: <2548619677109123490@wsc.cz>
Date:	Fri, 22 Dec 2006 23:50:50 +0100 (CET)
From:	Jiri Slaby <jirislaby@...il.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	<osv@...ad.com>
Subject: [PATCH 1/3] Char: mxser, fix oops when removing opened

mxser, fix oops when removing opened

tty_driver->owner is not set, so if somebody remove mxser_module, it might
oops (and doesn't tell the user: no way, it's in use). Set the .owner value.

Cc: <osv@...ad.com>
Signed-off-by: Jiri Slaby <jirislaby@...il.com>

---
commit e3a36e41f423af467a95221598fd5754a8fb4032
tree b78cc8a59cb41f27781d115e285c447cf913a889
parent 5df5a993999b94d728cedfa669eba2b0b58e16d7
author Jiri Slaby <jirislaby@...il.com> Fri, 22 Dec 2006 22:48:24 +0059
committer Jiri Slaby <jirislaby@...il.com> Fri, 22 Dec 2006 22:48:24 +0059

 drivers/char/mxser.c     |    1 +
 drivers/char/mxser_new.c |    1 +
 2 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index c063359..83f604b 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -717,6 +717,7 @@ static int mxser_init(void)
 
 	/* Initialize the tty_driver structure */
 	memset(mxvar_sdriver, 0, sizeof(struct tty_driver));
+	mxvar_sdriver->owner = THIS_MODULE;
 	mxvar_sdriver->magic = TTY_DRIVER_MAGIC;
 	mxvar_sdriver->name = "ttyMI";
 	mxvar_sdriver->major = ttymajor;
diff --git a/drivers/char/mxser_new.c b/drivers/char/mxser_new.c
index cd989dc..1bb030b 100644
--- a/drivers/char/mxser_new.c
+++ b/drivers/char/mxser_new.c
@@ -2690,6 +2690,7 @@ static int __init mxser_module_init(void)
 		MXSER_VERSION);
 
 	/* Initialize the tty_driver structure */
+	mxvar_sdriver->owner = THIS_MODULE;
 	mxvar_sdriver->magic = TTY_DRIVER_MAGIC;
 	mxvar_sdriver->name = "ttyMI";
 	mxvar_sdriver->major = ttymajor;
-
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