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| author |   Jörn Engel <joern@logfs.org> | 2012-02-15 16:51:32 -0500 |
|---|---|---|
| committer |   Nicholas Bellinger <nab@linux-iscsi.org> | 2012-02-25 14:37:50 -0800 |
| commit | 382436f8804fe1cb20b9a2a811a10eb2d8554721 (patch) | |
| tree | 7eb91d8121092133c6b3a58928c54253b1d224b4 /drivers/target/target_core_device.c | |
| parent | tcm_loop: Set residual field for SCSI commands (diff) | |
| download | linux-dev-382436f8804fe1cb20b9a2a811a10eb2d8554721.tar.xz linux-dev-382436f8804fe1cb20b9a2a811a10eb2d8554721.zip | |
target: fix use after free in target_report_luns
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>
Diffstat (limited to 'drivers/target/target_core_device.c')
| -rw-r--r-- | drivers/target/target_core_device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 27da4e4e07c6..b0572f480c04 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -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); |