ixgbe: fix masking of bits read from IXGBE_VXLANCTRL register
authorSabrina Dubroca <sd@queasysnail.net>
Mon, 3 Jul 2017 11:02:55 +0000 (13:02 +0200)
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>
Mon, 9 Oct 2017 14:43:06 +0000 (07:43 -0700)
In ixgbe_clear_udp_tunnel_port(), we read the IXGBE_VXLANCTRL register
and then try to mask some bits out of the value, using the logical
instead of bitwise and operator.

Fixes: a21d0822ff69 ("ixgbe: add support for geneve Rx offload")
Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

index 822cdb4f2c2580c24e1943edb3b08fc504b28056..4d76afd13868574854759d844af34b2b3879a780 100644 (file)
@@ -4881,7 +4881,7 @@ static void ixgbe_clear_udp_tunnel_port(struct ixgbe_adapter *adapter, u32 mask)
                                IXGBE_FLAG_GENEVE_OFFLOAD_CAPABLE)))
                return;
 
-       vxlanctrl = IXGBE_READ_REG(hw, IXGBE_VXLANCTRL) && ~mask;
+       vxlanctrl = IXGBE_READ_REG(hw, IXGBE_VXLANCTRL) & ~mask;
        IXGBE_WRITE_REG(hw, IXGBE_VXLANCTRL, vxlanctrl);
 
        if (mask & IXGBE_VXLANCTRL_VXLAN_UDPPORT_MASK)