ftp://lsof.itap.purdue.edu/pub/tools/unix/lsof/patches/4.88/linux.dnode.c.patch

*** dnode.c
--- lsof_4.88_src/dialects/linux/dnode.c
***************
*** 580,586 ****
  	    Lf->inp_ty = 1;
  
  #if	defined(HASEPTOPTS)
! 	    if (Lf->ntype == N_FIFO) {
  	    	(void) enter_pinfo();
  		Lf->sf |= SELPINFO;
  	    }
--- 580,586 ----
  	    Lf->inp_ty = 1;
  
  #if	defined(HASEPTOPTS)
! 	    if ((Lf->ntype == N_FIFO) && FpipeE) {
  	    	(void) enter_pinfo();
  		Lf->sf |= SELPINFO;
  	    }