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qla2xxx-32gbit: Avoid that qla2x00_mem_free() crashes if called twice

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Clear each pointer after having freed memory such that it becomes safe to
call qla2x00_mem_free() twice.


git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@8295 d57e44dd-8a1f-0410-8b47-8ef2f437770f
This commit is contained in:
Bart Van Assche
2019-05-01 22:40:15 +00:00
parent e83ea77222
commit b4a3564f34
1 changed files with 3 additions and 0 deletions
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3
qla2x00t-32gbit/qla_os.c
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@@ -4795,6 +4795,8 @@ 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);
@@ -4870,6 +4872,7 @@ 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);