linux-kernel - [PATCH] serial: 8250: fix a sparse warning

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Date:	Mon, 9 Mar 2015 15:42:30 +0800
From:	Zhang Zhen <zhenzhang.zhang@...wei.com>
To:	<linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:	<tim.kryger@...aro.org>, <gregkh@...uxfoundation.org>,
	<jamie@...ieiles.com>, <alan@...ux.intel.com>, <arnd@...db.de>
Subject: [PATCH] serial: 8250: fix a sparse warning

drivers/tty/serial/8250/8250_core.c: In function ‘serial8250_console_write’:
drivers/tty/serial/8250/8250_core.c:3244: warning: ‘flags’ may be used u
unitialized in this function

Signed-off-by: Zhang Zhen <zhenzhang.zhang@...wei.com>
---
 drivers/tty/serial/8250/8250_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index deae122..50702e2 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -3241,7 +3241,7 @@ serial8250_console_write(struct console *co, const char *s, unsigned int count)
 {
 	struct uart_8250_port *up = &serial8250_ports[co->index];
 	struct uart_port *port = &up->port;
-	unsigned long flags;
+	unsigned long flags = 0;
 	unsigned int ier;
 	int locked = 1;

-- 
1.8.5.5


.




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