diff options
| author | Christophe Lucas <clucas@rotomalug.org> | 2005-09-10 00:26:32 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-10 10:06:25 -0700 |
| commit | cf85d5ca880c9611906e0ca0c729fdf01c724501 (patch) | |
| tree | 8ce7ebe016ba887aad3e84e6ce0b6dfdaf21b6b1 | |
| parent | 819a3eba4233ffc6c125e1bf0a15ae093b97c3a6 (diff) | |
[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>
| -rw-r--r-- | drivers/char/lcd.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/char/lcd.c b/drivers/char/lcd.c index cf01a720eb2..b7716114614 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");*/ |