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cab9609b44
linux/drivers/target
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Nicholas Bellinger cab9609b44 target: Fix zero-length MODE_SENSE regression 
This patch fixes a regression introduced in v3.8-rc1 code where
a zero-length MODE_SENSE was no longer returning GOOD status, but
instead returning TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE to generate
a CHECK_CONDITION status.

This regression was introduced with the following commit:

  commit de103c93af
  Author: Christoph Hellwig <hch@lst.de>
  Date:   Tue Nov 6 12:24:09 2012 -0800

      target: pass sense_reason as a return value

and this patch has been tested with the following zero-length CDB:

  sg_raw /dev/sdd 5a 00 0a 00 00 00 00 00 00 00
  SCSI Status: Good

  Sense Information:
  sense buffer empty

Cc: Christoph Hellwig <hch@lst.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2013-01-29 14:24:20 -08:00
..
iscsi iscsi-target: Fix CmdSN comparison (use cmd->cmd_sn instead of cmd->stat_sn) 2013-01-10 21:00:37 -08:00
loopback target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
sbp sbp-target: fix error path in sbp_make_tpg() 2012-12-12 21:17:25 -08:00
tcm_fc tcm_fc: Do not report target role when target is not defined 2013-01-10 20:08:58 -08:00
Kconfig sbp-target: Initial merge of firewire/ieee-1394 target mode support 2012-05-09 15:25:17 -07:00
Makefile target: move code for CDB emulation 2012-07-16 17:27:45 -07:00
target_core_alua.c target: Use TCM_NO_SENSE for initialisation 2013-01-10 20:07:10 -08:00
target_core_alua.h target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_configfs.c target/configfs: use kmalloc() instead of kzalloc() for default groups 2012-11-27 22:49:24 -08:00
target_core_device.c target: Add link_magic for fabric allow_link destination target_items 2012-12-05 00:11:36 -08:00
target_core_fabric_configfs.c target: Add link_magic for fabric allow_link destination target_items 2012-12-05 00:11:36 -08:00
target_core_fabric_lib.c target: Update copyright information to 2012 2012-11-27 22:47:02 -08:00
target_core_file.c target/file: merge fd_do_readv() and fd_do_writev() 2012-12-05 13:09:45 -08:00
target_core_file.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_hba.c target: Update copyright information to 2012 2012-11-27 22:47:02 -08:00
target_core_iblock.c target: Make spc_get_write_same_sectors return sector_t 2012-11-27 22:49:25 -08:00
target_core_iblock.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_internal.h target: Add/check max_write_same_len device attribute + update block limits VPD 2012-11-15 12:27:21 -08:00
target_core_pr.c target: Use TCM_NO_SENSE for initialisation 2013-01-10 20:07:10 -08:00
target_core_pr.h target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00
target_core_pscsi.c target: Update copyright information to 2012 2012-11-27 22:47:02 -08:00
target_core_pscsi.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_rd.c target: Update copyright information to 2012 2012-11-27 22:47:02 -08:00
target_core_rd.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_sbc.c target: Make spc_get_write_same_sectors return sector_t 2012-11-27 22:49:25 -08:00
target_core_spc.c target: Fix zero-length MODE_SENSE regression 2013-01-29 14:24:20 -08:00
target_core_stat.c target: Update copyright information to 2012 2012-11-27 22:47:02 -08:00
target_core_tmr.c target: Update copyright information to 2012 2012-11-27 22:47:02 -08:00
target_core_tpg.c target/iscsi_target: Add NodeACL tags for initiator group support 2012-12-13 14:18:09 -08:00
target_core_transport.c target: Release se_cmd when LUN lookup fails for TMR 2013-01-10 21:00:36 -08:00
target_core_ua.c target: Update copyright information to 2012 2012-11-27 22:47:02 -08:00
target_core_ua.h target: pass sense_reason as a return value 2012-11-06 20:55:46 -08:00