The flag SCF_ACK_KREF is only set but never tested. Hence remove
this flag.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
         * fabric acknowledgement that requires two target_put_sess_cmd()
         * invocations before se_cmd descriptor release.
         */
-       if (ack_kref) {
+       if (ack_kref)
                kref_get(&se_cmd->cmd_kref);
-               se_cmd->se_cmd_flags |= SCF_ACK_KREF;
-       }
 
        spin_lock_irqsave(&se_sess->sess_cmd_lock, flags);
        if (se_sess->sess_tearing_down) {
 
        SCF_SEND_DELAYED_TAS            = 0x00004000,
        SCF_ALUA_NON_OPTIMIZED          = 0x00008000,
        SCF_PASSTHROUGH_SG_TO_MEM_NOALLOC = 0x00020000,
-       SCF_ACK_KREF                    = 0x00040000,
        SCF_COMPARE_AND_WRITE           = 0x00080000,
        SCF_COMPARE_AND_WRITE_POST      = 0x00100000,
 };