[net-next 11/15] ixgbe: resolve shift of negative value warning

[Jeff Kirsher]

From: Jacob Keller <jacob.e.kel...@intel.com>

Make use of GENMASK instead of open coding the equivalent operation
incorrectly.

Signed-off-by: Jacob Keller <jacob.e.kel...@intel.com>
Tested-by: Andrew Bowers <andrewx.bow...@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirs...@intel.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c 
b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index b41a26f..60592cf 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -3766,9 +3766,9 @@ static void ixgbe_configure_virtualization(struct 
ixgbe_adapter *adapter)
        reg_offset = (VMDQ_P(0) >= 32) ? 1 : 0;
 
        /* Enable only the PF's pool for Tx/Rx */
-       IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (~0) << vf_shift);
+       IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), GENMASK(vf_shift, 31));
        IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset ^ 1), reg_offset - 1);
-       IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), (~0) << vf_shift);
+       IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), GENMASK(vf_shift, 31));
        IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset ^ 1), reg_offset - 1);
        if (adapter->bridge_mode == BRIDGE_MODE_VEB)
                IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
-- 
2.5.5