[PATCH net] cxgb4: Signedness bug in init_one()

[Dan Carpenter]

The "chip" variable is an enum, and it's treated as unsigned int by GCC
in this context so the error handling isn't triggered.

Fixes: e8d452923ae6 ("cxgb4: clean up init_one")
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c 
b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 71854a19cebe..38024877751c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -5701,7 +5701,7 @@ static int init_one(struct pci_dev *pdev, const struct 
pci_device_id *ent)
        whoami = t4_read_reg(adapter, PL_WHOAMI_A);
        pci_read_config_word(pdev, PCI_DEVICE_ID, &device_id);
        chip = t4_get_chip_type(adapter, CHELSIO_PCI_ID_VER(device_id));
-       if (chip < 0) {
+       if ((int)chip < 0) {
                dev_err(&pdev->dev, "Device %d is not supported\n", device_id);
                err = chip;
                goto out_free_adapter;
-- 
2.20.1