net/ixgbe/base: return error on VF MAC address failure

An error code indicating that the PF rejects the MAC address change
should be returned, in case that the PF has already assigned a MAC
for the VF.

Fixes: af75078fece3 ("first public release")

Signed-off-by: Beilei Xing <beilei.xing@intel.com>

diff --git a/drivers/net/ixgbe/base/ixgbe_vf.c b/drivers/net/ixgbe/base/ixgbe_vf.c
index 40dc1c8..81ea6c7 100644 (file)
--- a/drivers/net/ixgbe/base/ixgbe_vf.c
+++ b/drivers/net/ixgbe/base/ixgbe_vf.c
@@ -362,8 +362,10 @@ s32 ixgbe_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, u32 vmdq,
 
        /* if nacked the address was rejected, use "perm_addr" */
        if (!ret_val &&
-           (msgbuf[0] == (IXGBE_VF_SET_MAC_ADDR | IXGBE_VT_MSGTYPE_NACK)))
+           (msgbuf[0] == (IXGBE_VF_SET_MAC_ADDR | IXGBE_VT_MSGTYPE_NACK))) {
                ixgbe_get_mac_addr_vf(hw, hw->mac.addr);
+               return IXGBE_ERR_MBX;
+       }
 
        return ret_val;
 }