linux-kernel - [PATCH] serial: 8250: fix uninitialized compiler warning

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Date:	Tue, 09 Nov 2010 13:55:23 -0300
From:	Davidlohr Bueso <dave@....org>
To:	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	linux-kbuild <linux-kbuild@...r.kernel.org>,
	linux-serial@...r.kernel.org
Subject: [PATCH] serial: 8250: fix uninitialized compiler warning

From: Davidlohr Bueso <dave@....org>

This addresses:

  CC [M]  drivers/serial/8250.o
drivers/serial/8250.c: In function ‘serial8250_shutdown’:
drivers/serial/8250.c:1696: warning: ‘i’ may be used uninitialized in this function
drivers/serial/8250.c:1696: note: ‘i’ was declared here

Signed-off-by: Davidlohr Bueso <dave@....org>
---
 drivers/serial/8250.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 4d8e14b..f734eee 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1693,7 +1693,7 @@ static int serial_link_irq_chain(struct uart_8250_port *up)
 
 static void serial_unlink_irq_chain(struct uart_8250_port *up)
 {
-	struct irq_info *i;
+	struct irq_info *i = NULL;
 	struct hlist_node *n;
 	struct hlist_head *h;
 
-- 
1.7.1



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