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aad64f3193
What is the highest addressable sector on an empty CD-ROM? Nothing is addressable so produce an error. This patch prevents a divide-by-zero in ide_set_sector() since s->sectors and s->heads would be 0. Not to mention that a sector=-1 argument would be nonsense. Note that WIN_READ_NATIVE_MAX can be triggered using hdparm -N 1024 /dev/cdrom. The LBA bit will be set to 1 though, so the only easy way to go down the ide_set_sector() CHS code path which divides by zero is to comment out the s->select & 0x40 case for testing. Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> |
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ahci.c | ||
ahci.h | ||
atapi.c | ||
cmd646.c | ||
core.c | ||
ich.c | ||
internal.h | ||
isa.c | ||
macio.c | ||
Makefile.objs | ||
microdrive.c | ||
mmio.c | ||
pci.c | ||
pci.h | ||
piix.c | ||
qdev.c | ||
via.c |