From: Fuqian Huang
Date: Mon, 15 Jul 2019 11:19:11 +0800
> kvzalloc already zeroes the memory during the allocation.
> pci_alloc_consistent calls dma_alloc_coherent directly.
> In commit 518a2f1925c3
> ("dma-mapping: zero memory returned from dma_alloc_*"),
> dma_alloc_coherent has already
kvzalloc already zeroes the memory during the allocation.
pci_alloc_consistent calls dma_alloc_coherent directly.
In commit 518a2f1925c3
("dma-mapping: zero memory returned from dma_alloc_*"),
dma_alloc_coherent has already zeroed the memory.
So the memset after these function is not needed.
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