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Message-ID: <480FB148.5000704@tiscali.nl>
Date: Wed, 23 Apr 2008 23:59:36 +0200
From: Roel Kluin <12o3l@...cali.nl>
To: ben-linux@...ff.org,
Linux-arm <linux-arm-kernel@...ts.arm.linux.org.uk>,
lkml <linux-kernel@...r.kernel.org>
Subject: [PATCH] serial: s3c2410: platform_get_irq() may return signed unnoticed
dev->irq is unsigned, platform_get_irq() may return signed unnoticed
Signed-off-by: Roel Kluin <12o3l@...cali.nl>
---
diff --git a/drivers/serial/s3c2410.c b/drivers/serial/s3c2410.c
index 4ffa258..da5a02c 100644
--- a/drivers/serial/s3c2410.c
+++ b/drivers/serial/s3c2410.c
@@ -1022,6 +1022,7 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
struct uart_port *port = &ourport->port;
struct s3c2410_uartcfg *cfg;
struct resource *res;
+ int ret;
dbg("s3c24xx_serial_init_port: port=%p, platdev=%p\n", port, platdev);
@@ -1064,9 +1065,11 @@ static int s3c24xx_serial_init_port(struct s3c24xx_uart_port *ourport,
port->mapbase = res->start;
port->membase = S3C24XX_VA_UART + (res->start - S3C24XX_PA_UART);
- port->irq = platform_get_irq(platdev, 0);
- if (port->irq < 0)
+ ret = platform_get_irq(platdev, 0);
+ if (ret < 0)
port->irq = 0;
+ else
+ port->irq = ret;
ourport->clk = clk_get(&platdev->dev, "uart");
--
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