diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-06-16 20:25:54 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-07-06 18:57:25 -0700 |
| commit | a5e3c3b46fed22ce8383e0e62cd13517e1b76d88 (patch) | |
| tree | 9b3345be6fe5a6e826905e3e712a39db40672c9d /drivers/target | |
| parent | fa3a80d024e8abc6ba259ef4df6f634ed0ecaf75 (diff) | |
target: Fix left-over se_lun->lun_sep pointer OOPs
commit 83ff42fcce070801a3aa1cd6a3269d7426271a8d upstream.
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.
Reported-by: Sebastian Herbszt <herbszt@gmx.de>
Tested-by: Sebastian Herbszt <herbszt@gmx.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_device.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 26416c15d65c..6ea95d216eb8 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -616,6 +616,7 @@ void core_dev_unexport( dev->export_count--; spin_unlock(&hba->device_lock); + lun->lun_sep = NULL; lun->lun_se_dev = NULL; } |