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Message-Id: <1396442722-26346-1-git-send-email-tiwai@suse.de>
Date: Wed, 2 Apr 2014 14:45:21 +0200
From: Takashi Iwai <tiwai@...e.de>
To: Arnd Bergmann <arnd@...db.de>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Struan Bartlett <struan.bartlett@...il.com>,
Andreas Schwab <schwab@...ux-m68k.org>,
Jean Delvare <jdelvare@...e.de>, gnomes@...rguk.ukuu.org.uk,
linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] ttyprintk: Fix wrong tty_unregister_driver() call in the error path
ttyprintk driver calls tty_unregister_driver() wrongly in the error
path of tty_register_driver(). Also, setting ttyprintk_driver to NULL
is utterly superfluous, so let's get rid of it, too.
Reported-by: Jean Delvare <jdelvare@...e.de>
Reviewed-by: Jean Delvare <jdelvare@...e.de>
Signed-off-by: Takashi Iwai <tiwai@...e.de>
---
v1->v2: add review tag
drivers/char/ttyprintk.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/char/ttyprintk.c b/drivers/char/ttyprintk.c
index daea84c41743..2a39c5790364 100644
--- a/drivers/char/ttyprintk.c
+++ b/drivers/char/ttyprintk.c
@@ -210,10 +210,8 @@ static int __init ttyprintk_init(void)
return 0;
error:
- tty_unregister_driver(ttyprintk_driver);
put_tty_driver(ttyprintk_driver);
tty_port_destroy(&tpk_port.port);
- ttyprintk_driver = NULL;
return ret;
}
device_initcall(ttyprintk_init);
--
1.9.1
--
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