From cf85d5ca880c9611906e0ca0c729fdf01c724501 Mon Sep 17 00:00:00 2001
From: Christophe Lucas <clucas@rotomalug.org>
Date: Sat, 10 Sep 2005 00:26:32 -0700
Subject: [PATCH] [PATCH] drivers/char/lcd.c: misc_register() can fail
Signed-off-by: Christophe Lucas <clucas@rotomalug.org>
Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
drivers/char/lcd.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c
index cf01a720eb2ef..b771611461445 100644
--- a/drivers/char/lcd.c
+++ b/drivers/char/lcd.c
@@ -613,10 +613,15 @@ static struct miscdevice lcd_dev = {
static int lcd_init(void)
{
+ int ret;
unsigned long data;
pr_info("%s\n", LCD_DRIVER);
- misc_register(&lcd_dev);
+ ret = misc_register(&lcd_dev);
+ if (ret) {
+ printk(KERN_WARNING LCD "Unable to register misc device.\n");
+ return ret;
+ }
/* Check region? Naaah! Just snarf it up. */
/* request_region(RTC_PORT(0), RTC_IO_EXTENT, "lcd");*/
--
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