* [PATCH next] scsi: mpt3sas: remove call to memset after dma_alloc_coherent
@ 2020-01-02 1:45 Chen Zhou
0 siblings, 0 replies; only message in thread
From: Chen Zhou @ 2020-01-02 1:45 UTC (permalink / raw)
To: martin.petersen, jejb, suganath-prabu.subramani
Cc: linux-scsi, linux-kernel, chenzhou10
Function dma_alloc_coherent use in ioc -> request already zeroes out
memory, so memset is not needed.
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
---
drivers/scsi/mpt3sas/mpt3sas_base.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c
index 45fd8df..663dd4d 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_base.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_base.c
@@ -5090,7 +5090,6 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc)
_base_release_memory_pools(ioc);
goto retry_allocation;
}
- memset(ioc->request, 0, sz);
if (retry_sz)
ioc_err(ioc, "request pool: dma_alloc_coherent succeed: hba_depth(%d), chains_per_io(%d), frame_sz(%d), total(%d kb)\n",
--
2.7.4
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