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306c11b28d
Right now, commands with a zero-size payload are skipped completely. This is wrong; such commands should be passed down to the device and processed normally. For physical backends, this ignores completely things such as START STOP UNIT. For virtual backends, we have a hack in place to clear a unit attention state on a zero-size REQUEST SENSE, but we still do not report errors properly on zero-length commands---out-of-bounds 0-block reads and writes, too small parameter list lengths, etc. This patch fixes this for PSCSI. Uses of transport_kmap_data_sg are guarded with a check for non-zero cmd->data_length; for all other commands a zero length is handled properly in pscsi_execute_cmd. The sole exception will be for now REPORT LUNS, which is handled through the normal SPC emulation. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> |
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| .. | ||
| iscsi | ||
| loopback | ||
| sbp | ||
| tcm_fc | ||
| Kconfig | ||
| Makefile | ||
| target_core_alua.c | ||
| target_core_alua.h | ||
| target_core_configfs.c | ||
| target_core_device.c | ||
| target_core_fabric_configfs.c | ||
| target_core_fabric_lib.c | ||
| target_core_file.c | ||
| target_core_file.h | ||
| target_core_hba.c | ||
| target_core_iblock.c | ||
| target_core_iblock.h | ||
| target_core_internal.h | ||
| target_core_pr.c | ||
| target_core_pr.h | ||
| target_core_pscsi.c | ||
| target_core_pscsi.h | ||
| target_core_rd.c | ||
| target_core_rd.h | ||
| target_core_sbc.c | ||
| target_core_spc.c | ||
| target_core_stat.c | ||
| target_core_tmr.c | ||
| target_core_tpg.c | ||
| target_core_transport.c | ||
| target_core_ua.c | ||
| target_core_ua.h | ||