From: Alan McIvor <alan.mcivor@reveal.co.nz>
Date: Tue, 22 Apr 2008 17:46:09 +0000 (-0300)
Subject: V4L/DVB (7394): saa7134: add number of devices check
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a4df8e1d6ae460546dfa3b4f23a85cb5a4255109;p=deliverable%2Flinux.git

V4L/DVB (7394): saa7134: add number of devices check

This patch fixes reported problems when trying to add a 9th device into a
system.

Signed-off-by: Alan McIvor <alan.mcivor@reveal.co.nz>
Signed-off-by: Hartmut Hackmann <hartmut.hackmann@t-online.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---

diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 599273894f34..eec127864fe3 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -866,6 +866,9 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 	int err;
 	int mask;
 
+	if (saa7134_devcount == SAA7134_MAXBOARDS)
+		return -ENOMEM;
+
 	dev = kzalloc(sizeof(*dev),GFP_KERNEL);
 	if (NULL == dev)
 		return -ENOMEM;