Commit 6a478561 authored by Cai Huoqing's avatar Cai Huoqing Committed by Greg Kroah-Hartman
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usb: host: ehci: Make use of dma_pool_zalloc() instead of dma_pool_alloc/memset() 



Replacing dma_pool_alloc/memset() with dma_pool_zalloc()
to simplify the code.

Signed-off-by: default avatarCai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211018131645.434-1-caihuoqing@baidu.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 81dddf72

drivers/usb/host/ehci-mem.c

+1 −2
Original line number Diff line number Diff line
@@ -73,10 +73,9 @@ static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags) 
	if (!qh)

		goto done;

	qh->hw = (struct ehci_qh_hw *)

		dma_pool_alloc(ehci->qh_pool, flags, &dma);

		dma_pool_zalloc(ehci->qh_pool, flags, &dma);

	if (!qh->hw)

		goto fail;

	memset(qh->hw, 0, sizeof *qh->hw);

	qh->qh_dma = dma;

	// INIT_LIST_HEAD (&qh->qh_list);

	INIT_LIST_HEAD (&qh->qtd_list);