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>

1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 599273894f3..eec127864fe 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;