This patch fixes a left-over se_lun->lun_sep pointer OOPs when one of the /sys/kernel/config/target/$FABRIC/$WWPN/$TPGT/lun/$LUN/alua* attributes is accessed after the $DEVICE symlink has been removed. To address this bug, go ahead and clear se_lun->lun_sep memory in core_dev_unexport(), so that the existing checks for show/store ALUA attributes in target_core_fabric_configfs.c work as expected.
Unified · Split
| @@ -616,6 +616,7 @@ void core_dev_unexport( · 615 unmodified lines | |||
| 616 | dev->export_count--; | 616 | dev->export_count--; |
| 617 | spin_unlock(&hba->device_lock); | 617 | spin_unlock(&hba->device_lock); |
| 618 | 618 | ||
| 619 | lun->lun_sep = NULL; | ||
| 619 | lun->lun_se_dev = NULL; | 620 | lun->lun_se_dev = NULL; |
| 620 | } | 621 | } |
| 621 | 622 | ||