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| author | roel kluin <roel.kluin@gmail.com> | 2009-11-02 06:53:44 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-11-04 05:06:23 -0800 |
| commit | 0d37f36ff9bc41067c71635d14b6a5834853a779 (patch) | |
| tree | 85571370b58b1f4e5596219171cea0004727ddc7 /drivers/net/cnic.c | |
| parent | 885ee398de2354cf4526a3ecaf9e84e292393007 (diff) | |
| download | lwn-0d37f36ff9bc41067c71635d14b6a5834853a779.tar.gz lwn-0d37f36ff9bc41067c71635d14b6a5834853a779.zip | |
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>
Diffstat (limited to 'drivers/net/cnic.c')
| -rw-r--r-- | drivers/net/cnic.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c index cfc6b208631a..e503384e2a54 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; |