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authorCai Huoqing <caihuoqing@baidu.com>2021-10-18 15:16:44 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-10-21 12:47:56 +0200
commit6a47856145346c2dc5f31e1b5f9d986f1e446ce2 (patch)
tree72acaf229933de3d606d984cc8d118dd4c4af3c3
parentusb: host: fotg210: Make use of dma_pool_zalloc() instead of dma_pool_alloc/m... (diff)
downloadlinux-6a47856145346c2dc5f31e1b5f9d986f1e446ce2.tar.xz
linux-6a47856145346c2dc5f31e1b5f9d986f1e446ce2.zip
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: Cai Huoqing <caihuoqing@baidu.com> Link: https://lore.kernel.org/r/20211018131645.434-1-caihuoqing@baidu.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/host/ehci-mem.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index 21307d862af6..4c6c08b675b5 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -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);