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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>
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@ -408,7 +408,7 @@ int cnic_register_driver(int ulp_type, struct cnic_ulp_ops *ulp_ops)
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{
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struct cnic_dev *dev;
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if (ulp_type >= MAX_CNIC_ULP_TYPE) {
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if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
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printk(KERN_ERR PFX "cnic_register_driver: Bad type %d\n",
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ulp_type);
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return -EINVAL;
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@ -454,7 +454,7 @@ int cnic_unregister_driver(int ulp_type)
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struct cnic_ulp_ops *ulp_ops;
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int i = 0;
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if (ulp_type >= MAX_CNIC_ULP_TYPE) {
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if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
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printk(KERN_ERR PFX "cnic_unregister_driver: Bad type %d\n",
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ulp_type);
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return -EINVAL;
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@ -510,7 +510,7 @@ static int cnic_register_device(struct cnic_dev *dev, int ulp_type,
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struct cnic_local *cp = dev->cnic_priv;
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struct cnic_ulp_ops *ulp_ops;
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if (ulp_type >= MAX_CNIC_ULP_TYPE) {
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if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
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printk(KERN_ERR PFX "cnic_register_device: Bad type %d\n",
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ulp_type);
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return -EINVAL;
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@ -551,7 +551,7 @@ static int cnic_unregister_device(struct cnic_dev *dev, int ulp_type)
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struct cnic_local *cp = dev->cnic_priv;
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int i = 0;
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if (ulp_type >= MAX_CNIC_ULP_TYPE) {
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if (ulp_type < 0 || ulp_type >= MAX_CNIC_ULP_TYPE) {
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printk(KERN_ERR PFX "cnic_unregister_device: Bad type %d\n",
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ulp_type);
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return -EINVAL;
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