[PATCH 76/87] wireless: quantenna: pcie: remove memset after dmam_alloc_coherent

[Fuqian Huang]

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

Signed-off-by: Fuqian Huang <huangfq.daxian@xxxxxxxxx>
---
 drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c | 2 --
 drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c
index 3aa3714d4dfd..5ec1c9bc1612 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/pearl_pcie.c
@@ -244,8 +244,6 @@ static int pearl_alloc_bd_table(struct qtnf_pcie_pearl_state *ps)
 
 	/* tx bd */
 
-	memset(vaddr, 0, len);
-
 	ps->bd_table_vaddr = vaddr;
 	ps->bd_table_paddr = paddr;
 	ps->bd_table_len = len;
diff --git a/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c b/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c
index 9a4380ed7f1b..1f91088e3dff 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/pcie/topaz_pcie.c
@@ -199,8 +199,6 @@ static int topaz_alloc_bd_table(struct qtnf_pcie_topaz_state *ts,
 	if (!vaddr)
 		return -ENOMEM;
 
-	memset(vaddr, 0, len);
-
 	/* tx bd */
 
 	ts->tx_bd_vbase = vaddr;
-- 
2.11.0