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 599273894f342a1e84a34ea0464bb3074accc4fa..eec127864fe3e710832a34275c337b51819cf53b 100644 (file)
--- 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;