From: roel kluin <roel.kluin@gmail.com>
Date: Mon, 2 Nov 2009 06:53:44 +0000 (+0000)
Subject: cnic: ensure ulp_type is not negative
X-Git-Tag: v2.6.33-rc1~388^2~523
X-Git-Url: http://ftp.safe.ca/?a=commitdiff_plain;h=0d37f36ff9bc41067c71635d14b6a5834853a779;hp=885ee398de2354cf4526a3ecaf9e84e292393007;p=safe%2Fjmp%2Flinux-2.6

cnic: ensure ulp_type is not negative

`ulp_type' is signed, make sure it is not negative
when we read the array element.

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index cfc6b20..e503384 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -408,7 +408,7 @@ int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
 {
 	struct cnic_dev *dev;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_register_driver: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;
@@ -454,7 +454,7 @@ int cnic_unregister_driver(int ulp_type)
 	struct cnic_ulp_ops *ulp_ops;
 	int i = 0;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_unregister_driver: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;
@@ -510,7 +510,7 @@ static int cnic_register_device(struct cnic_dev *dev, int ulp_type,
 	struct cnic_local *cp = dev->cnic_priv;
 	struct cnic_ulp_ops *ulp_ops;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_register_device: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;
@@ -551,7 +551,7 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
 	struct cnic_local *cp = dev->cnic_priv;
 	int i = 0;
 
-	if (ulp_type >= MAX_CNIC_ULP_TYPE) {
+	if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
 		printk(KERN_ERR PFX "cnic_unregister_device: Bad type %d\n",
 		       ulp_type);
 		return -EINVAL;