diff options
| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-06-10 04:03:54 +0000 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-07-02 12:06:31 +0200 |
| commit | 18b0e46ab4670436bcef4df0807ade2ffa7901ce (patch) | |
| tree | a907cca6700f67d30f7ed3e2b15ce5f81914dc37 /drivers/target | |
| parent | ab7f3e4697f12ad16c816fdb27e3e494809bad91 (diff) | |
iscsi-target: Fix ABORT_TASK + connection reset iscsi_queue_req memory leak
commit bbc050488525e1ab1194c27355f63c66814385b8 upstream.
This patch fixes a iscsi_queue_req memory leak when ABORT_TASK response
has been queued by TFO->queue_tm_rsp() -> lio_queue_tm_rsp() after a
long standing I/O completes, but the connection has already reset and
waiting for cleanup to complete in iscsit_release_commands_from_conn()
-> transport_generic_free_cmd() -> transport_wait_for_tasks() code.
It moves iscsit_free_queue_reqs_for_conn() after the per-connection command
list has been released, so that the associated se_cmd tag can be completed +
released by target-core before freeing any remaining iscsi_queue_req memory
for the connection generated by lio_queue_tm_rsp().
Cc: Thomas Glanzmann <thomas@glanzmann.de>
Cc: Charalampos Pournaris <charpour@gmail.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index 6f69e4e3af8..d5b07e179a3 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -4203,8 +4203,6 @@ int iscsit_close_connection( if (conn->conn_transport->iscsit_wait_conn) conn->conn_transport->iscsit_wait_conn(conn); - iscsit_free_queue_reqs_for_conn(conn); - /* * During Connection recovery drop unacknowledged out of order * commands for this connection, and prepare the other commands @@ -4221,6 +4219,7 @@ int iscsit_close_connection( iscsit_clear_ooo_cmdsns_for_conn(conn); iscsit_release_commands_from_conn(conn); } + iscsit_free_queue_reqs_for_conn(conn); /* * Handle decrementing session or connection usage count if |