From: Mark Hounschell <markh@compro.net>
Date: Fri, 25 Apr 2014 17:10:20 +0000 (-0400)
Subject: staging: dgap: Add check for MAXBOARDS in .probe (dgap_init_one)
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=acfd4aae9e782bb5b1dde844247cda01e3256cd2;p=linux-beck.git

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 b834c83da930..f597432ede8c 100644
--- 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);