Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target...

[cascardo/linux.git] / drivers / target / target_core_pr.c

diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 703890c..d56f2aa 100644 (file)
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -459,7 +459,7 @@ static int core_scsi3_pr_seq_non_holder(
        case ACCESS_CONTROL_OUT:
        case INQUIRY:
        case LOG_SENSE:
-       case READ_MEDIA_SERIAL_NUMBER:
+       case SERVICE_ACTION_IN_12:
        case REPORT_LUNS:
        case REQUEST_SENSE:
        case PERSISTENT_RESERVE_IN:
@@ -2274,6 +2274,7 @@ core_scsi3_pro_reserve(struct se_cmd *cmd, int type, int scope, u64 res_key)
        spin_lock(&dev->dev_reservation_lock);
        pr_res_holder = dev->dev_pr_res_holder;
        if (pr_res_holder) {
+               int pr_res_type = pr_res_holder->pr_res_type;
                /*
                 * From spc4r17 Section 5.7.9: Reserving:
                 *
@@ -2284,7 +2285,9 @@ core_scsi3_pro_reserve(struct se_cmd *cmd, int type, int scope, u64 res_key)
                 * the logical unit, then the command shall be completed with
                 * RESERVATION CONFLICT status.
                 */
-               if (pr_res_holder != pr_reg) {
+               if ((pr_res_holder != pr_reg) &&
+                   (pr_res_type != PR_TYPE_WRITE_EXCLUSIVE_ALLREG) &&
+                   (pr_res_type != PR_TYPE_EXCLUSIVE_ACCESS_ALLREG)) {
                        struct se_node_acl *pr_res_nacl = pr_res_holder->pr_reg_nacl;
                        pr_err("SPC-3 PR: Attempted RESERVE from"
                                " [%s]: %s while reservation already held by"