From fda2b418a1945bebd5c8f670768fe75c515816ec Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 29 Oct 2014 11:43:25 +0300 Subject: [PATCH] goldfish: off by one in goldfish_tty_console_setup() The goldfish_ttys[] array has "goldfish_tty_line_count" number of elements. It's allocated in goldfish_tty_create_driver(). This test should be >= instead of >. Signed-off-by: Dan Carpenter Acked-by: Alan Cox Signed-off-by: Greg Kroah-Hartman --- drivers/tty/goldfish.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index c24b9633ae19..967b2c2b7cf1 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -155,7 +155,7 @@ static struct tty_driver *goldfish_tty_console_device(struct console *c, static int goldfish_tty_console_setup(struct console *co, char *options) { - if ((unsigned)co->index > goldfish_tty_line_count) + if ((unsigned)co->index >= goldfish_tty_line_count) return -ENODEV; if (!goldfish_ttys[co->index].base) return -ENODEV; -- 2.20.1