debian/patches/bts498183-segfault-madvise

   1 diff a/src/rrd_open.c b/src/rrd_open.c
   2 --- a/src/rrd_open.c
   3 +++ b/src/rrd_open.c
   4 @@ -363,14 +363,19 @@ void rrd_dontneed(
   5              rrd->rra_def[i].row_cnt * rrd->stat_head->ds_cnt *
   6              sizeof(rrd_value_t);
   7      }
   8 +
   9 +    if (dontneed_start < rrd_file->file_len) {
  10  #ifdef USE_MADVISE
  11 -    madvise(rrd_file->file_start + dontneed_start,
  12 -            rrd_file->file_len - dontneed_start, MADV_DONTNEED);
  13 +           madvise(rrd_file->file_start + dontneed_start,
  14 +                   rrd_file->file_len - dontneed_start, MADV_DONTNEED);
  15  #endif
  16  #ifdef HAVE_POSIX_FADVISE
  17 -    posix_fadvise(rrd_file->fd, dontneed_start,
  18 -                  rrd_file->file_len - dontneed_start, POSIX_FADV_DONTNEED);
  19 +           posix_fadvise(rrd_file->fd, dontneed_start,
  20 +                         rrd_file->file_len - dontneed_start,
  21 +                         POSIX_FADV_DONTNEED);
  22  #endif
  23 +    }
  24 +
  25  #if defined DEBUG && DEBUG > 1
  26      mincore_print(rrd_file, "after");
  27  #endif