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authorNicholas Bellinger <nab@linux-iscsi.org>2014-02-03 20:53:51 (GMT)
committerJiri Slaby <jslaby@suse.cz>2014-03-22 21:01:58 (GMT)
commite150903c747b642896a2807a4567faa7f002f3a7 (patch)
tree818936a717dfcf33cdb82e3adf9748d52ca1474e
parent8eb0508cc0ce870329ff9c2427fe640e903d47c0 (diff)
downloadlinux-fsl-qoriq-e150903c747b642896a2807a4567faa7f002f3a7.tar.xz
iscsi/iser-target: Use list_del_init for ->i_conn_node
commit 5159d763f60af693a3fcec45dce2021f66e528a4 upstream. There are a handful of uses of list_empty() for cmd->i_conn_node within iser-target code that expect to return false once a cmd has been removed from the per connect list. This patch changes all uses of list_del -> list_del_init in order to ensure that list_empty() returns false as expected. Acked-by: Sagi Grimberg <sagig@mellanox.com> Cc: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
-rw-r--r--drivers/infiniband/ulp/isert/ib_isert.c6
-rw-r--r--drivers/target/iscsi/iscsi_target.c6
-rw-r--r--drivers/target/iscsi/iscsi_target_erl2.c16
3 files changed, 14 insertions, 14 deletions
diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c
index ea7051e..0cf5fdb 100644
--- a/drivers/infiniband/ulp/isert/ib_isert.c
+++ b/drivers/infiniband/ulp/isert/ib_isert.c
@@ -1427,7 +1427,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
case ISCSI_OP_SCSI_CMD:
spin_lock_bh(&conn->cmd_lock);
if (!list_empty(&cmd->i_conn_node))
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
if (cmd->data_direction == DMA_TO_DEVICE)
@@ -1439,7 +1439,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
case ISCSI_OP_SCSI_TMFUNC:
spin_lock_bh(&conn->cmd_lock);
if (!list_empty(&cmd->i_conn_node))
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
transport_generic_free_cmd(&cmd->se_cmd, 0);
@@ -1449,7 +1449,7 @@ isert_put_cmd(struct isert_cmd *isert_cmd)
case ISCSI_OP_TEXT:
spin_lock_bh(&conn->cmd_lock);
if (!list_empty(&cmd->i_conn_node))
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
/*
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index e12f2aa..e12845a 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -785,7 +785,7 @@ static void iscsit_ack_from_expstatsn(struct iscsi_conn *conn, u32 exp_statsn)
spin_unlock_bh(&conn->cmd_lock);
list_for_each_entry_safe(cmd, cmd_p, &ack_list, i_conn_node) {
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
iscsit_free_cmd(cmd, false);
}
}
@@ -3704,7 +3704,7 @@ iscsit_immediate_queue(struct iscsi_conn *conn, struct iscsi_cmd *cmd, int state
break;
case ISTATE_REMOVE:
spin_lock_bh(&conn->cmd_lock);
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
iscsit_free_cmd(cmd, false);
@@ -4149,7 +4149,7 @@ static void iscsit_release_commands_from_conn(struct iscsi_conn *conn)
spin_lock_bh(&conn->cmd_lock);
list_for_each_entry_safe(cmd, cmd_tmp, &conn->conn_cmd_list, i_conn_node) {
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
iscsit_increment_maxcmdsn(cmd, sess);
diff --git a/drivers/target/iscsi/iscsi_target_erl2.c b/drivers/target/iscsi/iscsi_target_erl2.c
index 33be1fb..4ca8fd2 100644
--- a/drivers/target/iscsi/iscsi_target_erl2.c
+++ b/drivers/target/iscsi/iscsi_target_erl2.c
@@ -138,7 +138,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess)
list_for_each_entry_safe(cmd, cmd_tmp,
&cr->conn_recovery_cmd_list, i_conn_node) {
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
cmd->conn = NULL;
spin_unlock(&cr->conn_recovery_cmd_lock);
iscsit_free_cmd(cmd, true);
@@ -160,7 +160,7 @@ void iscsit_free_connection_recovery_entires(struct iscsi_session *sess)
list_for_each_entry_safe(cmd, cmd_tmp,
&cr->conn_recovery_cmd_list, i_conn_node) {
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
cmd->conn = NULL;
spin_unlock(&cr->conn_recovery_cmd_lock);
iscsit_free_cmd(cmd, true);
@@ -216,7 +216,7 @@ int iscsit_remove_cmd_from_connection_recovery(
}
cr = cmd->cr;
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
return --cr->cmd_count;
}
@@ -297,7 +297,7 @@ int iscsit_discard_unacknowledged_ooo_cmdsns_for_conn(struct iscsi_conn *conn)
if (!(cmd->cmd_flags & ICF_OOO_CMDSN))
continue;
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
iscsit_free_cmd(cmd, true);
@@ -335,7 +335,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
/*
* Only perform connection recovery on ISCSI_OP_SCSI_CMD or
* ISCSI_OP_NOOP_OUT opcodes. For all other opcodes call
- * list_del(&cmd->i_conn_node); to release the command to the
+ * list_del_init(&cmd->i_conn_node); to release the command to the
* session pool and remove it from the connection's list.
*
* Also stop the DataOUT timer, which will be restarted after
@@ -351,7 +351,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
" CID: %hu\n", cmd->iscsi_opcode,
cmd->init_task_tag, cmd->cmd_sn, conn->cid);
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
iscsit_free_cmd(cmd, true);
spin_lock_bh(&conn->cmd_lock);
@@ -371,7 +371,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
*/
if (!(cmd->cmd_flags & ICF_OOO_CMDSN) && !cmd->immediate_cmd &&
iscsi_sna_gte(cmd->cmd_sn, conn->sess->exp_cmd_sn)) {
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
iscsit_free_cmd(cmd, true);
spin_lock_bh(&conn->cmd_lock);
@@ -393,7 +393,7 @@ int iscsit_prepare_cmds_for_realligance(struct iscsi_conn *conn)
cmd->sess = conn->sess;
- list_del(&cmd->i_conn_node);
+ list_del_init(&cmd->i_conn_node);
spin_unlock_bh(&conn->cmd_lock);
iscsit_free_all_datain_reqs(cmd);