[patch] be2net: signedness bug in be_msix_enable()

[Dan Carpenter]

"num_vec" needs to be signed for the error handling to work.

Fixes: e261768e9e39 ('be2net: support asymmetric rx/tx queue counts')
Signed-off-by: Dan Carpenter <dan.carpen...@oracle.com>

diff --git a/drivers/net/ethernet/emulex/benet/be_main.c 
b/drivers/net/ethernet/emulex/benet/be_main.c
index 1873c74..1f16e73 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -3251,8 +3251,9 @@ static void be_msix_disable(struct be_adapter *adapter)
 
 static int be_msix_enable(struct be_adapter *adapter)
 {
-       unsigned int i, num_vec, max_roce_eqs;
+       unsigned int i, max_roce_eqs;
        struct device *dev = &adapter->pdev->dev;
+       int num_vec;
 
        /* If RoCE is supported, program the max number of vectors that
         * could be used for NIC and RoCE, else, just program the number