linux-kernel - [PATCH] vt: remove uneeded retval check before tty->ops->open inside tty

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Date:	Thu, 31 Mar 2011 15:35:31 -0300
From:	Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	Alan Cox <alan@...ux.intel.com>, linux-kernel@...r.kernel.org
Subject: [PATCH] vt: remove uneeded retval check before tty->ops->open inside tty_open

The current check is uneeded, since !retval will always returns true,
as retval returned from tty_add_file is checked earlier and tty_open
exits if it's not zero.

Acked-by: Alan Cox <alan@...ux.intel.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@...onical.com>
---
 drivers/tty/tty_io.c |   10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 936a4ea..349fa67 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1902,12 +1902,10 @@ got_driver:
 #ifdef TTY_DEBUG_HANGUP
 	printk(KERN_DEBUG "opening %s...", tty->name);
 #endif
-	if (!retval) {
-		if (tty->ops->open)
-			retval = tty->ops->open(tty, filp);
-		else
-			retval = -ENODEV;
-	}
+	if (tty->ops->open)
+		retval = tty->ops->open(tty, filp);
+	else
+		retval = -ENODEV;
 	filp->f_flags = saved_flags;
 
 	if (!retval && test_bit(TTY_EXCLUSIVE, &tty->flags) &&
-- 
1.7.1

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