Messages in this thread Patch in this message | | | Date | Wed, 10 Jun 2009 12:52:44 -0700 | Subject | [PATCH 4/6] drivers/isdn/i4l/isdn_tty.c: fix check for array overindexing | From | Karsten Keil <> |
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From: Roel Kluin <roel.kluin@gmail.com>
The check for overindexing of dev->mdm.info[] has an off-by-one.
Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Acked-by: Karsten Keil <keil@b1-systems.de> --- drivers/isdn/i4l/isdn_tty.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/isdn/i4l/isdn_tty.c b/drivers/isdn/i4l/isdn_tty.c index 1a2222c..b4d4522 100644 --- a/drivers/isdn/i4l/isdn_tty.c +++ b/drivers/isdn/i4l/isdn_tty.c @@ -1592,7 +1592,7 @@ isdn_tty_open(struct tty_struct *tty, struct file *filp) int retval, line; line = tty->index; - if (line < 0 || line > ISDN_MAX_CHANNELS) + if (line < 0 || line >= ISDN_MAX_CHANNELS) return -ENODEV; info = &dev->mdm.info[line]; if (isdn_tty_paranoia_check(info, tty->name, "isdn_tty_open")) -- 1.6.0.2
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