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From: Hans Verkuil <hverkuil-cisco@xs4all.nl>
To: linux-media@vger.kernel.org
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
	Sakari Ailus <sakari.ailus@iki.fi>,
	Hans Verkuil <hverkuil-cisco@xs4all.nl>
Subject: [PATCH 3/7] videobuf2-dma-sg.c: kvmalloc_array -> kvcalloc
Date: Mon,  9 May 2022 11:15:49 +0200	[thread overview]
Message-ID: <20220509091553.2637089-4-hverkuil-cisco@xs4all.nl> (raw)
In-Reply-To: <20220509091553.2637089-1-hverkuil-cisco@xs4all.nl>

Fixes smatch warning:

drivers/media/common/videobuf2/videobuf2-dma-sg.c:129 vb2_dma_sg_alloc() warn: Please consider using kvcalloc instead

Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
 drivers/media/common/videobuf2/videobuf2-dma-sg.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index f8a21c560ad2..fa69158a65b1 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -126,8 +126,7 @@ static void *vb2_dma_sg_alloc(struct vb2_buffer *vb, struct device *dev,
 	 * there is no memory consistency guarantee, hence dma-sg ignores DMA
 	 * attributes passed from the upper layer.
 	 */
-	buf->pages = kvmalloc_array(buf->num_pages, sizeof(struct page *),
-				    GFP_KERNEL | __GFP_ZERO);
+	buf->pages = kvcalloc(buf->num_pages, sizeof(struct page *), GFP_KERNEL);
 	if (!buf->pages)
 		goto fail_pages_array_alloc;
 
-- 
2.34.1


  parent reply	other threads:[~2022-05-09  9:49 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-09  9:15 [PATCH 0/7] Various smatch fixes Hans Verkuil
2022-05-09  9:15 ` [PATCH 1/7] v4l2-subdev.c: kvmalloc_array -> kvcalloc Hans Verkuil
2022-05-09 10:29   ` Laurent Pinchart
2022-05-09  9:15 ` [PATCH 2/7] v4l2-ctls-core.c: " Hans Verkuil
2022-05-09 10:29   ` Laurent Pinchart
2022-05-09  9:15 ` Hans Verkuil [this message]
2022-05-09 10:29   ` [PATCH 3/7] videobuf2-dma-sg.c: " Laurent Pinchart
2022-05-09  9:15 ` [PATCH 4/7] cx25821: request_irq -> devm_request_irq Hans Verkuil
2022-05-09  9:15 ` [PATCH 5/7] ccs-core.c: fix failure to call clk_disable_unprepare Hans Verkuil
2022-05-09  9:15 ` [PATCH 6/7] s5k6a3: add missing clk_disable_unprepare Hans Verkuil
2022-05-09  9:15 ` [PATCH 7/7] uvc_v4l2.c: avoid using iterator used outside loop Hans Verkuil
2022-05-09 10:04   ` Sakari Ailus
2022-05-09 10:09   ` Laurent Pinchart

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