scsi: qla2xxx: Complain if sp->done() is not called from the completion path

Not calling sp->done() from the command completion path is a severe bug.
Hence complain loudly if that happens.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Tested-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 3fa8ca6..64c84e5 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -243,6 +243,10 @@ qla2x00_async_iocb_timeout(void *data)
                        sp->done(sp, QLA_FUNCTION_TIMEOUT);
                }
                break;
+       default:
+               WARN_ON_ONCE(true);
+               sp->done(sp, QLA_FUNCTION_TIMEOUT);
+               break;
        }
 }
 

diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 55eb515..7533e42 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2786,6 +2786,8 @@ out:
 
        if (rsp->status_srb == NULL)
                sp->done(sp, res);
+       else
+               WARN_ON_ONCE(true);
 }
 
 /**
@@ -2843,6 +2845,8 @@ qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
        if (sense_len == 0) {
                rsp->status_srb = NULL;
                sp->done(sp, cp->result);
+       } else {
+               WARN_ON_ONCE(true);
        }
 }
 

diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c
index 06985b2..605b59c 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_mr.c
+++ b/drivers/scsi/qla2xxx/qla_mr.c
@@ -2539,6 +2539,8 @@ check_scsi_status:
 
        if (rsp->status_srb == NULL)
                sp->done(sp, res);
+       else
+               WARN_ON_ONCE(true);
 }
 
 /**
@@ -2616,6 +2618,8 @@ qlafx00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt)
        if (sense_len == 0) {
                rsp->status_srb = NULL;
                sp->done(sp, cp->result);
+       } else {
+               WARN_ON_ONCE(true);
        }
 }