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target: fix use after free in target_report_luns

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Fix possible NULL pointer dereference in target_report_luns failure path.

Signed-off-by: Joern Engel <joern@logfs.org>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Jörn Engel 2012-02-15 16:51:32 -05:00 committed by Nicholas Bellinger
parent 6cf3fa6918
commit 382436f880
1 changed files with 1 additions and 1 deletions
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2
drivers/target/target_core_device.c
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@ -690,12 +690,12 @@ int target_report_luns(struct se_task *se_task)
* See SPC3 r07, page 159.
*/
done:
transport_kunmap_data_sg(se_cmd);
lun_count *= 8;
buf[0] = ((lun_count >> 24) & 0xff);
buf[1] = ((lun_count >> 16) & 0xff);
buf[2] = ((lun_count >> 8) & 0xff);
buf[3] = (lun_count & 0xff);
transport_kunmap_data_sg(se_cmd);
se_task->task_scsi_status = GOOD;
transport_complete_task(se_task, 1);