The previous patch guarantees that a command is only released after the
firmware has finished processing it. Hence complain if a command is
released that is owned by the firmware.
Cc: Himanshu Madhani <hmadhani@xxxxxxxxxxx>
Cc: Giridhar Malavali <gmalavali@xxxxxxxxxxx>
Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx>
---
drivers/scsi/qla2xxx/tcm_qla2xxx.c | 13 ++++---------
1 file changed, 4 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
index 38eaee6be127..4fcae1af2d63 100644
--- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c
+++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c
@@ -321,7 +321,6 @@ static int tcm_qla2xxx_check_stop_free(struct se_cmd *se_cmd)
static void tcm_qla2xxx_release_cmd(struct se_cmd *se_cmd)
{
struct qla_tgt_cmd *cmd;
- unsigned long flags;
if (se_cmd->se_cmd_flags & SCF_SCSI_TMR_CDB) {
struct qla_tgt_mgmt_cmd *mcmd = container_of(se_cmd,
@@ -331,14 +330,10 @@ static void tcm_qla2xxx_release_cmd(struct se_cmd *se_cmd)
}
cmd = container_of(se_cmd, struct qla_tgt_cmd, se_cmd);
- spin_lock_irqsave(&cmd->cmd_lock, flags);
- if (cmd->cmd_sent_to_fw) {
- cmd->released = 1;
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- } else {
- spin_unlock_irqrestore(&cmd->cmd_lock, flags);
- qlt_free_cmd(cmd);
- }
+ if (WARN_ON(cmd->cmd_sent_to_fw))
+ return;
+
+ qlt_free_cmd(cmd);
}
static void tcm_qla2xxx_release_session(struct kref *kref)
--
2.21.0.196.g041f5ea1cf98
