From 77e0be12100a3d40abfa46ef54c323b6cfff41ed Mon Sep 17 00:00:00 2001
From: Sigmund Augdal Helberg <sigmund@snap.tv>
Date: Wed, 21 Jun 2006 10:35:48 -0300
Subject: [PATCH] V4L/DVB (4176): Bug-fix: Fix memory overflow
Do not overflow kernel memory when more than BT878_MAX devices are
present.
Signed-off-by: Sigmund Augdal Helberg <sigmund@snap.tv>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---
drivers/media/dvb/bt8xx/bt878.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/media/dvb/bt8xx/bt878.c b/drivers/media/dvb/bt8xx/bt878.c
index 5500f8a0ffe2..47281c905149 100644
--- a/drivers/media/dvb/bt8xx/bt878.c
+++ b/drivers/media/dvb/bt8xx/bt878.c
@@ -417,6 +417,11 @@ static int __devinit bt878_probe(struct pci_dev *dev,
printk(KERN_INFO "bt878: Bt878 AUDIO function found (%d).\n",
bt878_num);
+ if (bt878_num >= BT878_MAX) {
+ printk(KERN_ERR "bt878: Too many devices inserted\n");
+ result = -ENOMEM;
+ goto fail0;
+ }
if (pci_enable_device(dev))
return -EIO;