staging: dgap: Add check for MAXBOARDS in .probe (dgap_init_one)

Insure we don't allow configuring more than MAXBOARDS (32).

Signed-off-by: Mark Hounschell <markh@compro.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index b834c83..f597432 100644 (file)
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -572,6 +572,9 @@ static int dgap_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
        int rc;
 
+       if (dgap_NumBoards >= MAXBOARDS)
+               return -EPERM;
+
        /* wake up and enable device */
        rc = pci_enable_device(pdev);