diff options
author | 2016-05-01 10:26:28 -0400 | |
---|---|---|
committer | 2016-05-01 10:26:28 -0400 | |
commit | b8c05fd084db5606b687955c142dee3bb7689994 (patch) | |
tree | 7ce61be062d16be24977893945ffaa009c9c7e2a /src/lib/formats/upd765_dsk.cpp | |
parent | 41885e420393fba2ab43c5bb0adfedb4c777f769 (diff) |
Workaround for MT 06194 (potential segfault during floppy load)
Diffstat (limited to 'src/lib/formats/upd765_dsk.cpp')
-rw-r--r-- | src/lib/formats/upd765_dsk.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/lib/formats/upd765_dsk.cpp b/src/lib/formats/upd765_dsk.cpp index d9da1c5bd21..97d0daa7d6a 100644 --- a/src/lib/formats/upd765_dsk.cpp +++ b/src/lib/formats/upd765_dsk.cpp @@ -180,7 +180,13 @@ bool upd765_format::load(io_generic *io, UINT32 form_factor, floppy_image *image if(type == -1) return false; + // format shouldn't exceed image geometry const format &f = formats[type]; + int img_tracks, img_heads; + image->get_maximal_geometry(img_tracks, img_heads); + if (f.track_count > img_tracks || f.head_count > img_heads) + return false; + floppy_image_format_t::desc_e *desc; int current_size; int end_gap_index; |