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/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c 
b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
index 83e4938527f4..3fc08fe7c3a2 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/pcie.c
@@ -1033,8 +1033,6 @@ brcmf_pcie_init_dmabuffer_for_device(struct 
brcmf_pciedev_info *devinfo,
                               address & 0xffffffff);
        brcmf_pcie_write_tcm32(devinfo, tcm_dma_phys_addr + 4, address >> 32);
 
-       memset(ring, 0, size);
-
        return (ring);
 }
 
-- 
2.11.0

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