>From zhenyu.z.wang@xxxxxxxxx:
We should be taking the host_lock instead of the conn lock when
checking host_busy.
Signed-off-by: Alex Aizman <itn780@xxxxxxxxx>
Signed-off-by: Dmitry Yusupov <dmitry_yus@xxxxxxxxx>
Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx>
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 550ff66..cd1491e 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -2559,6 +2559,7 @@ iscsi_conn_destroy(iscsi_connh_t connh)
{
struct iscsi_conn *conn = iscsi_ptr(connh);
struct iscsi_session *session = conn->session;
+ unsigned long flags;
mutex_lock(&conn->xmitmutex);
set_bit(SUSPEND_BIT, &conn->suspend_tx);
@@ -2598,12 +2599,12 @@ iscsi_conn_destroy(iscsi_connh_t connh)
* time out or fail.
*/
for (;;) {
- spin_lock_bh(&conn->lock);
+ spin_lock_irqsave(session->host->host_lock, flags);
if (!session->host->host_busy) { /* OK for ERL == 0 */
- spin_unlock_bh(&conn->lock);
+ spin_unlock_irqrestore(session->host->host_lock, flags);
break;
}
- spin_unlock_bh(&conn->lock);
+ spin_unlock_irqrestore(session->host->host_lock, flags);
msleep_interruptible(500);
printk("conn_destroy(): host_busy %d host_failed %d\n",
session->host->host_busy, session->host->host_failed);
-
: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
