smatch clean rtld

*** 235,250 ****
                  dbg_class = dbg_desc->d_class;
                  dbg_desc->d_class = 0;
          }
  
          /*
!          * Perform some basic sanity checks.  If we didn't get a load map or
!          * the relocation offset is invalid then its possible someone has walked
!          * over the .got entries or jumped to plt0 out of the blue.
           */
!         if ((!lmp) && (pltndx <=
!             (ulong_t)PLTRELSZ(lmp) / (ulong_t)RELENT(lmp))) {
                  Conv_inv_buf_t inv_buf;
  
                  eprintf(lml, ERR_FATAL, MSG_INTL(MSG_REL_PLTREF),
                      conv_reloc_amd64_type(R_AMD64_JUMP_SLOT, 0, &inv_buf),
                      EC_NATPTR(lmp), EC_XWORD(pltndx), EC_NATPTR(from));
--- 235,248 ----
                  dbg_class = dbg_desc->d_class;
                  dbg_desc->d_class = 0;
          }
  
          /*
!          * Perform some basic sanity checks.  If the relocation offset is
!          * invalid then its possible someone has walked over the .got entries.
           */
!         if (pltndx > (ulong_t)PLTRELSZ(lmp) / (ulong_t)RELENT(lmp)) {
                  Conv_inv_buf_t inv_buf;
  
                  eprintf(lml, ERR_FATAL, MSG_INTL(MSG_REL_PLTREF),
                      conv_reloc_amd64_type(R_AMD64_JUMP_SLOT, 0, &inv_buf),
                      EC_NATPTR(lmp), EC_XWORD(pltndx), EC_NATPTR(from));