From: Jason Wang <wangborong@cdjrlc.com>
To: mchehab@kernel.org
Cc: mirela.rabulea@nxp.com, shawnguo@kernel.org,
s.hauer@pengutronix.de, linux-imx@nxp.com, kernel@pengutronix.de,
festevam@gmail.com, linux-media@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, Jason Wang <wangborong@cdjrlc.com>
Subject: [PATCH] media: imx-jpeg: Remove unnecessary memset() after dma_alloc_coherent()
Date: Sat, 16 Jul 2022 20:25:43 +0800 [thread overview]
Message-ID: <20220716122543.34218-1-wangborong@cdjrlc.com> (raw)
The `dma_alloc_coherent()' already zeroes out memory for us, so we don't
need the redundant memset().
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
---
drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c | 1 -
1 file changed, 1 deletion(-)
diff --git a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
index 32fd04a3d8bb..482177ee01b6 100644
--- a/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
+++ b/drivers/media/platform/nxp/imx-jpeg/mxc-jpeg.c
@@ -519,7 +519,6 @@ static bool mxc_jpeg_alloc_slot_data(struct mxc_jpeg_dev *jpeg,
GFP_ATOMIC);
if (!cfg_stm)
goto err;
- memset(cfg_stm, 0, MXC_JPEG_MAX_CFG_STREAM);
jpeg->slot_data[slot].cfg_stream_vaddr = cfg_stm;
skip_alloc:
--
2.35.1
reply other threads:[~2022-07-16 5:00 UTC|newest]
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