Paolo Bonzini d81cb44726
target: go through normal processing for all zero-length commands ...
Yay, all users of transport_kmap_data_sg now check for a zero-length
request and/or a too-small parameter list length. We can thus go through
the normal emulation path even for such commands.
This means that out-of-bounds reads and writes are now reported correctly
even if they transfer 0 blocks. Other errors are also reported correctly.
Testcase: sg_raw /dev/sdb 28 00 80 00 00 00 00 00 00 00
should fail with ILLEGAL REQUEST / LBA OUT OF RANGE sense
does not fail without the patch
(still wrong with the patch, but better: the ASC is INVALID FIELD IN CDB)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com >
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org >
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d81cb44726