[SCSI] qla2xxx: Always aquire the parent's hardware_lock.

While issuing a marker, manipulating the request/response queues
and modifying the outstanding command array.

Signed-off-by: Seokmann Ju <seokmann.ju@qlogic.com>
Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 80f4f9d..4c83ff8 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -4052,7 +4052,7 @@ qla24xx_configure_vhba(scsi_qla_host_t *ha)
        rval = qla2x00_fw_ready(ha->parent);
        if (rval == QLA_SUCCESS) {
                clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
-               qla2x00_marker(ha->parent, 0, 0, MK_SYNC_ALL);
+               qla2x00_marker(ha, 0, 0, MK_SYNC_ALL);
        }
 
        ha->flags.management_server_logged_in = 0;

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index 5489d50..6e14c8e 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -269,7 +269,7 @@ qla2x00_start_scsi(srb_t *sp)
 {
        int             ret, nseg;
        unsigned long   flags;
-       scsi_qla_host_t *ha;
+       scsi_qla_host_t *ha, *pha;
        struct scsi_cmnd *cmd;
        uint32_t        *clr_ptr;
        uint32_t        index;
@@ -283,6 +283,7 @@ qla2x00_start_scsi(srb_t *sp)
        /* Setup device pointers. */
        ret = 0;
        ha = sp->ha;
+       pha = to_qla_parent(ha);
        reg = &ha->iobase->isp;
        cmd = sp->cmd;
        /* So we know we haven't pci_map'ed anything yet */
@@ -297,7 +298,7 @@ qla2x00_start_scsi(srb_t *sp)
        }
 
        /* Acquire ring specific lock */
-       spin_lock_irqsave(&ha->hardware_lock, flags);
+       spin_lock_irqsave(&pha->hardware_lock, flags);
 
        /* Check for room in outstanding command list. */
        handle = ha->current_outstanding_cmd;
@@ -386,14 +387,14 @@ qla2x00_start_scsi(srb_t *sp)
            ha->response_ring_ptr->signature != RESPONSE_PROCESSED)
                qla2x00_process_response_queue(ha);
 
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       spin_unlock_irqrestore(&pha->hardware_lock, flags);
        return (QLA_SUCCESS);
 
 queuing_error:
        if (tot_dsds)
                scsi_dma_unmap(cmd);
 
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       spin_unlock_irqrestore(&pha->hardware_lock, flags);
 
        return (QLA_FUNCTION_FAILED);
 }
@@ -454,10 +455,11 @@ qla2x00_marker(scsi_qla_host_t *ha, uint16_t loop_id, uint16_t lun,
 {
        int ret;
        unsigned long flags = 0;
+       scsi_qla_host_t *pha = to_qla_parent(ha);
 
-       spin_lock_irqsave(&ha->hardware_lock, flags);
+       spin_lock_irqsave(&pha->hardware_lock, flags);
        ret = __qla2x00_marker(ha, loop_id, lun, type);
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       spin_unlock_irqrestore(&pha->hardware_lock, flags);
 
        return (ret);
 }
@@ -672,7 +674,7 @@ qla24xx_start_scsi(srb_t *sp)
 {
        int             ret, nseg;
        unsigned long   flags;
-       scsi_qla_host_t *ha;
+       scsi_qla_host_t *ha, *pha;
        struct scsi_cmnd *cmd;
        uint32_t        *clr_ptr;
        uint32_t        index;
@@ -686,6 +688,7 @@ qla24xx_start_scsi(srb_t *sp)
        /* Setup device pointers. */
        ret = 0;
        ha = sp->ha;
+       pha = to_qla_parent(ha);
        reg = &ha->iobase->isp24;
        cmd = sp->cmd;
        /* So we know we haven't pci_map'ed anything yet */
@@ -700,7 +703,7 @@ qla24xx_start_scsi(srb_t *sp)
        }
 
        /* Acquire ring specific lock */
-       spin_lock_irqsave(&ha->hardware_lock, flags);
+       spin_lock_irqsave(&pha->hardware_lock, flags);
 
        /* Check for room in outstanding command list. */
        handle = ha->current_outstanding_cmd;
@@ -795,14 +798,14 @@ qla24xx_start_scsi(srb_t *sp)
            ha->response_ring_ptr->signature != RESPONSE_PROCESSED)
                qla24xx_process_response_queue(ha);
 
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       spin_unlock_irqrestore(&pha->hardware_lock, flags);
        return QLA_SUCCESS;
 
 queuing_error:
        if (tot_dsds)
                scsi_dma_unmap(cmd);
 
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       spin_unlock_irqrestore(&pha->hardware_lock, flags);
 
        return QLA_FUNCTION_FAILED;
 }

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 250d2f6..dc5788b 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -749,17 +749,18 @@ qla2x00_abort_command(scsi_qla_host_t *ha, srb_t *sp)
        uint32_t        handle;
        mbx_cmd_t       mc;
        mbx_cmd_t       *mcp = &mc;
+       scsi_qla_host_t *pha = to_qla_parent(ha);
 
        DEBUG11(printk("qla2x00_abort_command(%ld): entered.\n", ha->host_no));
 
        fcport = sp->fcport;
 
-       spin_lock_irqsave(&ha->hardware_lock, flags);
+       spin_lock_irqsave(&pha->hardware_lock, flags);
        for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
                if (ha->outstanding_cmds[handle] == sp)
                        break;
        }
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       spin_unlock_irqrestore(&pha->hardware_lock, flags);
 
        if (handle == MAX_OUTSTANDING_COMMANDS) {
                /* command not found */
@@ -2161,17 +2162,18 @@ qla24xx_abort_command(scsi_qla_host_t *ha, srb_t *sp)
        struct abort_entry_24xx *abt;
        dma_addr_t      abt_dma;
        uint32_t        handle;
+       scsi_qla_host_t *pha = to_qla_parent(ha);
 
        DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
 
        fcport = sp->fcport;
 
-       spin_lock_irqsave(&ha->hardware_lock, flags);
+       spin_lock_irqsave(&pha->hardware_lock, flags);
        for (handle = 1; handle < MAX_OUTSTANDING_COMMANDS; handle++) {
                if (ha->outstanding_cmds[handle] == sp)
                        break;
        }
-       spin_unlock_irqrestore(&ha->hardware_lock, flags);
+       spin_unlock_irqrestore(&pha->hardware_lock, flags);
        if (handle == MAX_OUTSTANDING_COMMANDS) {
                /* Command not found. */
                return QLA_FUNCTION_FAILED;