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goldfish: off by one in goldfish_tty_console_setup()

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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 <dan.carpenter@oracle.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Dan Carpenter 2014-10-29 11:43:25 +03:00 committed by Greg Kroah-Hartman
parent a4dc923640
commit fda2b418a1
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/goldfish.c
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@ -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;