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Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending

Browse source 
Pull target updates from Nicholas Bellinger:
 "There have been lots of work in a number of areas this past round.
  The highlights include:

   - Break out target_core_cdb.c emulation into SPC/SBC ops (hch)
   - Add a parse_cdb method to target backend drivers (hch)
   - Move sync_cache + write_same + unmap into spc_ops (hch)
   - Use target_execute_cmd for WRITEs in iscsi_target + srpt (hch)
   - Offload WRITE I/O backend submission in tcm_qla2xxx + tcm_fc (hch +
     nab)
   - Refactor core_update_device_list_for_node() into enable/disable
     funcs (agrover)
   - Replace the TCM processing thread with a TMR work queue (hch)
   - Fix regression in transport_add_device_to_core_hba from TMR
     conversion (DanC)
   - Remove racy, now-redundant check of sess_tearing_down with qla2xxx
     (roland)
   - Add range checking, fix reading of data len + possible underflow in
     UNMAP (roland)
   - Allow for target_submit_cmd() returning errors + convert fabrics
     (roland + nab)
   - Drop bogus struct file usage for iSCSI/SCTP (viro)"

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: (54 commits)
  iscsi-target: Drop bogus struct file usage for iSCSI/SCTP
  target: NULL dereference on error path
  target: Allow for target_submit_cmd() returning errors
  target: Check number of unmap descriptors against our limit
  target: Fix possible integer underflow in UNMAP emulation
  target: Fix reading of data length fields for UNMAP commands
  target: Add range checking to UNMAP emulation
  target: Add generation of LOGICAL BLOCK ADDRESS OUT OF RANGE
  target: Make unnecessarily global se_dev_align_max_sectors() static
  target: Remove se_session.sess_wait_list
  qla2xxx: Remove racy, now-redundant check of sess_tearing_down
  target: Check sess_tearing_down in target_get_sess_cmd()
  sbp-target: Consolidate duplicated error path code in sbp_handle_command()
  target: Un-export target_get_sess_cmd()
  qla2xxx: Get rid of redundant qla_tgt_sess.tearing_down
  target: Make core_disable_device_list_for_node use pre-refactoring lock ordering
  target: refactor core_update_device_list_for_node()
  target: Eliminate else using boolean logic
  target: Misc retval cleanups
  target: Remove hba param from core_dev_add_lun
  ...
This commit is contained in:
Linus Torvalds 2012-07-22 13:31:57 -07:00
commit cb47c1831f
35 changed files with 1718 additions and 2433 deletions
Download patch file Download diff file Expand all files Collapse all files

54
drivers/usb/gadget/tcm_usb_gadget.c
View file

@ -294,7 +294,7 @@ static int bot_send_write_request(struct usbg_cmd *cmd)
pr_err("%s(%d)\n", __func__, __LINE__);
wait_for_completion(&cmd->write_complete);
transport_generic_process_write(se_cmd);
target_execute_cmd(se_cmd);
cleanup:
return ret;
}
@ -725,7 +725,7 @@ static int uasp_send_write_request(struct usbg_cmd *cmd)
}
wait_for_completion(&cmd->write_complete);
transport_generic_process_write(se_cmd);
target_execute_cmd(se_cmd);
cleanup:
return ret;
}
@ -1065,16 +1065,20 @@ static void usbg_cmd_work(struct work_struct *work)
tv_nexus->tvn_se_sess->se_tpg->se_tpg_tfo,
tv_nexus->tvn_se_sess, cmd->data_len, DMA_NONE,
cmd->prio_attr, cmd->sense_iu.sense);
transport_send_check_condition_and_sense(se_cmd,
TCM_UNSUPPORTED_SCSI_OPCODE, 1);
usbg_cleanup_cmd(cmd);
return;
goto out;
}
target_submit_cmd(se_cmd, tv_nexus->tvn_se_sess,
if (target_submit_cmd(se_cmd, tv_nexus->tvn_se_sess,
cmd->cmd_buf, cmd->sense_iu.sense, cmd->unpacked_lun,
0, cmd->prio_attr, dir, TARGET_SCF_UNKNOWN_SIZE);
0, cmd->prio_attr, dir, TARGET_SCF_UNKNOWN_SIZE) < 0)
goto out;
return;
out:
transport_send_check_condition_and_sense(se_cmd,
TCM_UNSUPPORTED_SCSI_OPCODE, 1);
usbg_cleanup_cmd(cmd);
}
static int usbg_submit_command(struct f_uas *fu,
@ -1177,16 +1181,20 @@ static void bot_cmd_work(struct work_struct *work)
tv_nexus->tvn_se_sess->se_tpg->se_tpg_tfo,
tv_nexus->tvn_se_sess, cmd->data_len, DMA_NONE,
cmd->prio_attr, cmd->sense_iu.sense);
transport_send_check_condition_and_sense(se_cmd,
TCM_UNSUPPORTED_SCSI_OPCODE, 1);
usbg_cleanup_cmd(cmd);
return;
goto out;
}
target_submit_cmd(se_cmd, tv_nexus->tvn_se_sess,
if (target_submit_cmd(se_cmd, tv_nexus->tvn_se_sess,
cmd->cmd_buf, cmd->sense_iu.sense, cmd->unpacked_lun,
cmd->data_len, cmd->prio_attr, dir, 0);
cmd->data_len, cmd->prio_attr, dir, 0) < 0)
goto out;
return;
out:
transport_send_check_condition_and_sense(se_cmd,
TCM_UNSUPPORTED_SCSI_OPCODE, 1);
usbg_cleanup_cmd(cmd);
}
static int bot_submit_command(struct f_uas *fu,
@ -1400,19 +1408,6 @@ static u32 usbg_tpg_get_inst_index(struct se_portal_group *se_tpg)
return 1;
}
static int usbg_new_cmd(struct se_cmd *se_cmd)
{
struct usbg_cmd *cmd = container_of(se_cmd, struct usbg_cmd,
se_cmd);
int ret;
ret = target_setup_cmd_from_cdb(se_cmd, cmd->cmd_buf);
if (ret)
return ret;
return transport_generic_map_mem_to_cmd(se_cmd, NULL, 0, NULL, 0);
}
static void usbg_cmd_release(struct kref *ref)
{
struct usbg_cmd *cmd = container_of(ref, struct usbg_cmd,
@ -1902,7 +1897,6 @@ static struct target_core_fabric_ops usbg_ops = {
.tpg_alloc_fabric_acl = usbg_alloc_fabric_acl,
.tpg_release_fabric_acl = usbg_release_fabric_acl,
.tpg_get_inst_index = usbg_tpg_get_inst_index,
.new_cmd_map = usbg_new_cmd,
.release_cmd = usbg_release_cmd,
.shutdown_session = usbg_shutdown_session,
.close_session = usbg_close_session,