In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of 
git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <[email protected]>
---
 drivers/scsi/mpt3sas/mpt3sas_transport.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c 
b/drivers/scsi/mpt3sas/mpt3sas_transport.c
index 60ae2d0feb2b..b09af57840d8 100644
--- a/drivers/scsi/mpt3sas/mpt3sas_transport.c
+++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c
@@ -1111,7 +1111,6 @@ _transport_get_expander_phy_error_log(struct 
MPT3SAS_ADAPTER *ioc,
        }
 
        rc = -EINVAL;
-       memset(data_out, 0, sz);
        phy_error_log_request = data_out;
        phy_error_log_request->smp_frame_type = 0x40;
        phy_error_log_request->function = 0x11;
@@ -1401,7 +1400,6 @@ _transport_expander_phy_control(struct MPT3SAS_ADAPTER 
*ioc,
        }
 
        rc = -EINVAL;
-       memset(data_out, 0, sz);
        phy_control_request = data_out;
        phy_control_request->smp_frame_type = 0x40;
        phy_control_request->function = 0x91;
-- 
2.11.0

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