the check in the residual case has an incorrect test of scsi_status
(the logic is reversed, it should be scsi_status != 0 instead of
!scsi_status.  Since we checked a few lines above that scsi_status was
non-zero, just eliminate this test
Signed-off-by: David C Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
 
                if (sts_entry->iscsiFlags &ISCSI_FLAG_RESIDUAL_UNDER) {
                        scsi_set_resid(cmd, residual);
-                       if (!scsi_status && ((scsi_bufflen(cmd) - residual) <
-                               cmd->underflow)) {
+                       if ((scsi_bufflen(cmd) - residual) < cmd->underflow) {
 
                                cmd->result = DID_ERROR << 16;