* [PATCH 64/87] scsi: esas2r: remove memset after dma_alloc_coherent
@ 2019-06-27 17:45 ` Fuqian Huang
0 siblings, 0 replies; 2+ messages in thread
From: Fuqian Huang @ 2019-06-27 17:45 UTC (permalink / raw)
Cc: Fuqian Huang, Bradley Grove, James E.J. Bottomley,
Martin K. Petersen, linux-scsi, linux-kernel
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 <huangfq.daxian@gmail.com>
---
drivers/scsi/esas2r/esas2r_init.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c
index 950cd92df2ff..67e7a78f408b 100644
--- a/drivers/scsi/esas2r/esas2r_init.c
+++ b/drivers/scsi/esas2r/esas2r_init.c
@@ -390,7 +390,6 @@ int esas2r_init_adapter(struct Scsi_Host *host, struct pci_dev *pcid,
a->uncached,
upper_32_bits(bus_addr),
lower_32_bits(bus_addr));
- memset(a->uncached, 0, a->uncached_size);
next_uncached = a->uncached;
if (!esas2r_init_adapter_struct(a,
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH 64/87] scsi: esas2r: remove memset after dma_alloc_coherent
@ 2019-06-27 17:45 ` Fuqian Huang
0 siblings, 0 replies; 2+ messages in thread
From: Fuqian Huang @ 2019-06-27 17:45 UTC (permalink / raw)
Cc: Fuqian Huang, Bradley Grove, James E.J. Bottomley,
Martin K. Petersen, linux-scsi, linux-kernel
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 <huangfq.daxian@gmail.com>
---
drivers/scsi/esas2r/esas2r_init.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/scsi/esas2r/esas2r_init.c b/drivers/scsi/esas2r/esas2r_init.c
index 950cd92df2ff..67e7a78f408b 100644
--- a/drivers/scsi/esas2r/esas2r_init.c
+++ b/drivers/scsi/esas2r/esas2r_init.c
@@ -390,7 +390,6 @@ int esas2r_init_adapter(struct Scsi_Host *host, struct pci_dev *pcid,
a->uncached,
upper_32_bits(bus_addr),
lower_32_bits(bus_addr));
- memset(a->uncached, 0, a->uncached_size);
next_uncached = a->uncached;
if (!esas2r_init_adapter_struct(a,
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
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2019-06-27 17:45 [PATCH 64/87] scsi: esas2r: remove memset after dma_alloc_coherent Fuqian Huang
2019-06-27 17:45 ` Fuqian Huang
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