From: Vikas Chaudhary <[email protected]> while processing the stop firmware mailbox command on driver unload, a interrupt is processed which causes kernel panic as the response queue is not valid.
Fix is to clear the interrupt in free_adapter call just after disabling the interrupts. Signed-off-by: Vikas Chaudhary <[email protected]> --- drivers/scsi/qla4xxx/ql4_os.c | 9 +++++++++ 1 files changed, 9 insertions(+), 0 deletions(-) diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index fa1a359..f06b7c5 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -3487,6 +3487,15 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha) ha->isp_ops->disable_intrs(ha); } + if (is_qla40XX(ha)) { + writel(set_rmask(CSR_SCSI_PROCESSOR_INTR), + &ha->reg->ctrl_status); + readl(&ha->reg->ctrl_status); + } else if (is_qla8022(ha)) { + writel(0, &ha->qla4_8xxx_reg->host_int); + readl(&ha->qla4_8xxx_reg->host_int); + } + /* Remove timer thread, if present */ if (ha->timer_active) qla4xxx_stop_timer(ha); -- 1.7.8.GIT -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
