linux-kernel - [PATCH] Staging: dgnc: release the lock before testing for nullity

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Message-Id: <1426683112-24182-1-git-send-email-lambert.quentin@gmail.com>
Date:	Wed, 18 Mar 2015 13:51:52 +0100
From:	Quentin Lambert <lambert.quentin@...il.com>
To:	Lidza Louina <lidza.louina@...il.com>
Cc:	Mark Hounschell <markh@...pro.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	driverdev-devel@...uxdriverproject.org, devel@...verdev.osuosl.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org,
	Quentin Lambert <lambert.quentin@...il.com>
Subject: [PATCH] Staging: dgnc: release the lock before testing for nullity

Fixes: c84a083b995b ("Staging: dgnc: Use goto for spinlock release before return")

Signed-off-by: Quentin Lambert <lambert.quentin@...il.com>
---
 drivers/staging/dgnc/dgnc_tty.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/dgnc/dgnc_tty.c b/drivers/staging/dgnc/dgnc_tty.c
index 8445f84ddaa3..f1c4d07a0aaa 100644
--- a/drivers/staging/dgnc/dgnc_tty.c
+++ b/drivers/staging/dgnc/dgnc_tty.c
@@ -656,9 +656,9 @@ void dgnc_input(struct channel_t *ch)
 	return;
 
 exit_unlock:
+	spin_unlock_irqrestore(&ch->ch_lock, flags);
 	if (ld)
 		tty_ldisc_deref(ld);
-	spin_unlock_irqrestore(&ch->ch_lock, flags);
 }
 
 
-- 
2.3.2.223.g7a9409c

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