[PATCH 1/3] usb: uhci: replace dma_pool_alloc and memset with dma_pool_zalloc

From	"Geyslan G. Bem" <geyslan@gmail.com>
Newsgroups	linux.kernel
Subject	[PATCH 1/3] usb: uhci: replace dma_pool_alloc and memset with dma_pool_zalloc
Date	2015-12-02 21:50 +0100
Message-ID	<qBmvD-3Jz-15@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

Show all headers | View raw

Replace dma_pool_alloc and memset with a single call to dma_pool_zalloc.

Caught by coccinelle.

Signed-off-by: Geyslan G. Bem <geyslan@gmail.com>
---
 drivers/usb/host/uhci-q.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index da6f56d..c17ea15 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -248,11 +248,10 @@ static struct uhci_qh *uhci_alloc_qh(struct uhci_hcd *uhci,
 	dma_addr_t dma_handle;
 	struct uhci_qh *qh;
 
-	qh = dma_pool_alloc(uhci->qh_pool, GFP_ATOMIC, &dma_handle);
+	qh = dma_pool_zalloc(uhci->qh_pool, GFP_ATOMIC, &dma_handle);
 	if (!qh)
 		return NULL;
 
-	memset(qh, 0, sizeof(*qh));
 	qh->dma_handle = dma_handle;
 
 	qh->element = UHCI_PTR_TERM(uhci);
-- 
2.6.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Next in thread | Find similar | Unroll thread

Thread

[PATCH 1/3] usb: uhci: replace dma_pool_alloc and memset with dma_pool_zalloc "Geyslan G. Bem" <geyslan@gmail.com> - 2015-12-02 21:50 +0100
  Re: [PATCH 1/3] usb: uhci: replace dma_pool_alloc and memset with  dma_pool_zalloc Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2015-12-04 17:30 +0100

csiph-web