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[PATCH] drivers/char/lcd.c: misc_register() can fail

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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>
This commit is contained in:
Christophe Lucas 2005-09-10 00:26:32 -07:00 committed by Linus Torvalds
parent 819a3eba42
commit cf85d5ca88
1 changed files with 6 additions and 1 deletions
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7
drivers/char/lcd.c
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@ -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");*/