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>
This commit is contained in:
roel kluin 2009-11-02 06:53:44 +00:00 committed by David S. Miller
parent 885ee398de
commit 0d37f36ff9

View File

@ -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;