[PATCH] target: check the ISID at legacy SPC-2 RELEASE

["Bernhard Kohl" <Riedel-und-Kohl@xxxxxxxxxxx>]

The reservation must not be released if it is hold by a different ISID.

Signed-off-by: Bernhard Kohl <bernhard.kohl@xxxxxxx>
---
 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 eb48b15..5fd4dd3 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -214,6 +214,9 @@ int target_scsi2_reservation_release(struct se_cmd *cmd)
 	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) {
-- 
1.7.7.6

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