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-rw-r--r--drivers/target/iscsi/iscsi_target.c3
-rw-r--r--drivers/target/iscsi/iscsi_target_login.c1
-rw-r--r--drivers/target/target_core_pr.c34
-rw-r--r--drivers/target/target_core_transport.c5
-rw-r--r--drivers/target/tcm_fc/tfc_io.c10
-rw-r--r--drivers/target/tcm_fc/tfc_sess.c12
6 files changed, 33 insertions, 32 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index b8fbc299d4e..8b1d5e62ed4 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -23,6 +23,7 @@
#include <linux/crypto.h>
#include <linux/completion.h>
#include <linux/module.h>
+#include <linux/idr.h>
#include <asm/unaligned.h>
#include <scsi/scsi_device.h>
#include <scsi/iscsi_proto.h>
@@ -1026,7 +1027,7 @@ done:
return iscsit_add_reject_from_cmd(
ISCSI_REASON_BOOKMARK_NO_RESOURCES,
1, 1, buf, cmd);
- } else if (transport_ret == -EINVAL) {
+ } else if (transport_ret < 0) {
/*
* Unsupported SAM Opcode. CHECK_CONDITION will be sent
* in iscsit_execute_cmd() during the CmdSN OOO Execution
diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c
index 1046b6259c8..a3656c9903a 100644
--- a/drivers/target/iscsi/iscsi_target_login.c
+++ b/drivers/target/iscsi/iscsi_target_login.c
@@ -21,6 +21,7 @@
#include <linux/string.h>
#include <linux/kthread.h>
#include <linux/crypto.h>
+#include <linux/idr.h>
#include <scsi/iscsi_proto.h>
#include <target/target_core_base.h>
#include <target/target_core_fabric.h>
diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
index 5926b171dba..86f0c3b5d50 100644
--- a/drivers/target/target_core_pr.c
+++ b/drivers/target/target_core_pr.c
@@ -117,7 +117,7 @@ static struct t10_pr_registration *core_scsi3_locate_pr_reg(struct se_device *,
struct se_node_acl *, struct se_session *);
static void core_scsi3_put_pr_reg(struct t10_pr_registration *);
-static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
+static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd)
{
struct se_session *se_sess = cmd->se_sess;
struct se_subsystem_dev *su_dev = cmd->se_dev->se_sub_dev;
@@ -127,7 +127,7 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
int conflict = 0;
if (!crh)
- return false;
+ return -EINVAL;
pr_reg = core_scsi3_locate_pr_reg(cmd->se_dev, se_sess->se_node_acl,
se_sess);
@@ -155,16 +155,14 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
*/
if (pr_reg->pr_res_holder) {
core_scsi3_put_pr_reg(pr_reg);
- *ret = 0;
- return false;
+ return 1;
}
if ((pr_reg->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_REGONLY) ||
(pr_reg->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_REGONLY) ||
(pr_reg->pr_res_type == PR_TYPE_WRITE_EXCLUSIVE_ALLREG) ||
(pr_reg->pr_res_type == PR_TYPE_EXCLUSIVE_ACCESS_ALLREG)) {
core_scsi3_put_pr_reg(pr_reg);
- *ret = 0;
- return true;
+ return 1;
}
core_scsi3_put_pr_reg(pr_reg);
conflict = 1;
@@ -189,10 +187,10 @@ static int target_check_scsi2_reservation_conflict(struct se_cmd *cmd, int *ret)
" while active SPC-3 registrations exist,"
" returning RESERVATION_CONFLICT\n");
cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
- return true;
+ return -EBUSY;
}
- return false;
+ return 0;
}
int target_scsi2_reservation_release(struct se_task *task)
@@ -201,12 +199,18 @@ int target_scsi2_reservation_release(struct se_task *task)
struct se_device *dev = cmd->se_dev;
struct se_session *sess = cmd->se_sess;
struct se_portal_group *tpg = sess->se_tpg;
- int ret = 0;
+ int ret = 0, rc;
if (!sess || !tpg)
goto out;
- if (target_check_scsi2_reservation_conflict(cmd, &ret))
+ rc = target_check_scsi2_reservation_conflict(cmd);
+ if (rc == 1)
+ goto out;
+ else if (rc < 0) {
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ ret = -EINVAL;
goto out;
+ }
ret = 0;
spin_lock(&dev->dev_reservation_lock);
@@ -243,7 +247,7 @@ int target_scsi2_reservation_reserve(struct se_task *task)
struct se_device *dev = cmd->se_dev;
struct se_session *sess = cmd->se_sess;
struct se_portal_group *tpg = sess->se_tpg;
- int ret = 0;
+ int ret = 0, rc;
if ((cmd->t_task_cdb[1] & 0x01) &&
(cmd->t_task_cdb[1] & 0x02)) {
@@ -259,8 +263,14 @@ int target_scsi2_reservation_reserve(struct se_task *task)
*/
if (!sess || !tpg)
goto out;
- if (target_check_scsi2_reservation_conflict(cmd, &ret))
+ rc = target_check_scsi2_reservation_conflict(cmd);
+ if (rc == 1)
goto out;
+ else if (rc < 0) {
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+ ret = -EINVAL;
+ goto out;
+ }
ret = 0;
spin_lock(&dev->dev_reservation_lock);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 4a112b6c7f2..443704f84fd 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -2440,7 +2440,7 @@ static void transport_xor_callback(struct se_cmd *cmd)
offset = 0;
for_each_sg(cmd->t_bidi_data_sg, sg, cmd->t_bidi_data_nents, count) {
- addr = kmap_atomic(sg_page(sg), KM_USER0);
+ addr = kmap_atomic(sg_page(sg));
if (!addr)
goto out;
@@ -2448,7 +2448,7 @@ static void transport_xor_callback(struct se_cmd *cmd)
*(addr + sg->offset + i) ^= *(buf + offset + i);
offset += sg->length;
- kunmap_atomic(addr, KM_USER0);
+ kunmap_atomic(addr);
}
out:
@@ -2635,6 +2635,7 @@ static int transport_generic_cmd_sequencer(
cmd, cdb, pr_reg_type) != 0) {
cmd->se_cmd_flags |= SCF_SCSI_CDB_EXCEPTION;
cmd->se_cmd_flags |= SCF_SCSI_RESERVATION_CONFLICT;
+ cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT;
cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
return -EBUSY;
}
diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index d8cabc21036..2b693eefac5 100644
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -146,14 +146,13 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
PAGE_SIZE << compound_order(page);
} else {
BUG_ON(!page);
- from = kmap_atomic(page + (mem_off >> PAGE_SHIFT),
- KM_SOFTIRQ0);
+ from = kmap_atomic(page + (mem_off >> PAGE_SHIFT));
page_addr = from;
from += mem_off & ~PAGE_MASK;
tlen = min(tlen, (size_t)(PAGE_SIZE -
(mem_off & ~PAGE_MASK)));
memcpy(to, from, tlen);
- kunmap_atomic(page_addr, KM_SOFTIRQ0);
+ kunmap_atomic(page_addr);
to += tlen;
}
@@ -291,14 +290,13 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp)
tlen = min(mem_len, frame_len);
- to = kmap_atomic(page + (mem_off >> PAGE_SHIFT),
- KM_SOFTIRQ0);
+ to = kmap_atomic(page + (mem_off >> PAGE_SHIFT));
page_addr = to;
to += mem_off & ~PAGE_MASK;
tlen = min(tlen, (size_t)(PAGE_SIZE -
(mem_off & ~PAGE_MASK)));
memcpy(to, from, tlen);
- kunmap_atomic(page_addr, KM_SOFTIRQ0);
+ kunmap_atomic(page_addr);
from += tlen;
frame_len -= tlen;
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index b30f92bdc1a..cb99da92006 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -86,16 +86,6 @@ static struct ft_tport *ft_tport_create(struct fc_lport *lport)
}
/*
- * Free tport via RCU.
- */
-static void ft_tport_rcu_free(struct rcu_head *rcu)
-{
- struct ft_tport *tport = container_of(rcu, struct ft_tport, rcu);
-
- kfree(tport);
-}
-
-/*
* Delete a target local port.
* Caller holds ft_lport_lock.
*/
@@ -114,7 +104,7 @@ static void ft_tport_delete(struct ft_tport *tport)
tpg->tport = NULL;
tport->tpg = NULL;
}
- call_rcu(&tport->rcu, ft_tport_rcu_free);
+ kfree_rcu(tport, rcu);
}
/*