Clear each pointer after having freed memory such that it becomes safe to call qla2x00_mem_free() twice. Cc: Himanshu Madhani <hmadhani@xxxxxxxxxxx> Cc: Giridhar Malavali <gmalavali@xxxxxxxxxxx> Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> --- drivers/scsi/qla2xxx/qla_os.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index b90eed1c989e..6d5dfe12760e 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -4715,6 +4715,8 @@ qla2x00_mem_free(struct qla_hw_data *ha) if (ha->flt) dma_free_coherent(&ha->pdev->dev, SFP_DEV_SIZE, ha->flt, ha->flt_dma); + ha->flt = NULL; + ha->flt_dma = 0; if (ha->ms_iocb) dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); @@ -4790,6 +4792,7 @@ qla2x00_mem_free(struct qla_hw_data *ha) if (ha->dif_bundl_pool) dma_pool_destroy(ha->dif_bundl_pool); + ha->dif_bundl_pool = NULL; qlt_mem_free(ha); -- 2.21.0.196.g041f5ea1cf98
