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| author | Bernhard Kohl <Riedel-und-Kohl@t-online.de> | 2012-05-13 23:39:37 +0200 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2012-05-14 15:13:50 -0700 |
| commit | edc318d9fea6854df752ec8c645b960b0d5a1d23 (patch) | |
| tree | 0b36996acd203023c98c627ec90cee41abf70f49 /drivers/target | |
| parent | cfebf8f42f47327fa54cf05c19b98f4bd5236a26 (diff) | |
| download | blackbird-obmc-linux-edc318d9fea6854df752ec8c645b960b0d5a1d23.tar.gz blackbird-obmc-linux-edc318d9fea6854df752ec8c645b960b0d5a1d23.zip | |
target: Fix SPC-2 RELEASE bug for multi-session iSCSI client setups
This patch addresses a bug in a special case for target core SPC-2 RELEASE
logic where the same physical client (eg: iSCSI InitiatorName) with
differing iSCSI session identifiers (ISID) is allowed to incorrectly release
the same client's SPC-2 reservation from the non reservation holding path.
Note this bug is specific to iscsi-target w/ SPC-2 reservations, and
with the default enforce_pr_isids=1 device attr setting in target-core
controls if a InitiatorName + different ISID reservations are handled
the same as a single iSCSI client entity.
Signed-off-by: Bernhard Kohl <bernhard.kohl@gmx.net>
Cc: <stable@vger.kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_pr.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 86f0c3b5d500..c3148b10b4b3 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -220,6 +220,9 @@ int target_scsi2_reservation_release(struct se_task *task) if (dev->dev_reserved_node_acl != sess->se_node_acl) goto out_unlock; + if (dev->dev_res_bin_isid != sess->sess_bin_isid) + goto out_unlock; + dev->dev_reserved_node_acl = NULL; dev->dev_flags &= ~DF_SPC2_RESERVATIONS; if (dev->dev_flags & DF_SPC2_RESERVATIONS_WITH_ISID) { |
