igb: fix constant sign in left shift operator

Tell the compiler to use an unsigned constant for the config shifts.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Acked-by: Panu Matilainen <pmatilai@redhat.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>

diff --git a/drivers/net/e1000/igb_pf.c b/drivers/net/e1000/igb_pf.c
index 7f45a44..5845bc2 100644 (file)
--- a/drivers/net/e1000/igb_pf.c
+++ b/drivers/net/e1000/igb_pf.c
@@ -172,8 +172,8 @@ int igb_pf_host_configure(struct rte_eth_dev *eth_dev)
        E1000_WRITE_REG(hw, E1000_VT_CTL, vtctl);
 
        /* Enable pools reserved to PF only */
-       E1000_WRITE_REG(hw, E1000_VFRE, (~0) << vf_num);
-       E1000_WRITE_REG(hw, E1000_VFTE, (~0) << vf_num);
+       E1000_WRITE_REG(hw, E1000_VFRE, (~0U) << vf_num);
+       E1000_WRITE_REG(hw, E1000_VFTE, (~0U) << vf_num);
 
        /* PFDMA Tx General Switch Control Enables VMDQ loopback */
        if (hw->mac.type == e1000_i350)