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From: Zhen Lei <thunder.leizhen@huawei.com>
To: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Baruch Siach <baruch@tkos.co.il>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linux-mediatek <linux-mediatek@lists.infradead.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH v2 1/1] drm/mediatek: Remove redundant error printing
Date: Tue, 11 May 2021 21:43:37 +0800	[thread overview]
Message-ID: <20210511134338.6167-2-thunder.leizhen@huawei.com> (raw)
In-Reply-To: <20210511134338.6167-1-thunder.leizhen@huawei.com>

When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.

Therefore, remove the error printing here to simplify code and reduce the
binary size.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/gpu/drm/mediatek/mtk_cec.c        | 7 ++-----
 drivers/gpu/drm/mediatek/mtk_disp_ccorr.c | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c   | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c  | 4 +---
 drivers/gpu/drm/mediatek/mtk_dpi.c        | 7 ++-----
 drivers/gpu/drm/mediatek/mtk_dsi.c        | 1 -
 6 files changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_cec.c b/drivers/gpu/drm/mediatek/mtk_cec.c
index e9cef5c0c8f7eff..c47b54936cfa6b8 100644
--- a/drivers/gpu/drm/mediatek/mtk_cec.c
+++ b/drivers/gpu/drm/mediatek/mtk_cec.c
@@ -195,11 +195,8 @@ static int mtk_cec_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	cec->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(cec->regs)) {
-		ret = PTR_ERR(cec->regs);
-		dev_err(dev, "Failed to ioremap cec: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(cec->regs))
+		return PTR_ERR(cec->regs);
 
 	cec->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(cec->clk)) {
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
index 141cb36b9c07b74..2b9923e5c6382f7 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
@@ -173,10 +173,8 @@ static int mtk_disp_ccorr_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap ccorr\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 961f87f8d4d156f..48927135c247537 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -395,10 +395,8 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap ovl\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
 	if (ret)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 728aaadfea8cfcc..e8d31b4c12b7727 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -294,10 +294,8 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap rdma\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
 	if (ret)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index bea91c81626e154..f8020bc046cb63f 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -741,11 +741,8 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 	}
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	dpi->regs = devm_ioremap_resource(dev, mem);
-	if (IS_ERR(dpi->regs)) {
-		ret = PTR_ERR(dpi->regs);
-		dev_err(dev, "Failed to ioremap mem resource: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(dpi->regs))
+		return PTR_ERR(dpi->regs);
 
 	dpi->engine_clk = devm_clk_get(dev, "engine");
 	if (IS_ERR(dpi->engine_clk)) {
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index ae403c67cbd922d..89e351dfab88177 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -1062,7 +1062,6 @@ static int mtk_dsi_probe(struct platform_device *pdev)
 	dsi->regs = devm_ioremap_resource(dev, regs);
 	if (IS_ERR(dsi->regs)) {
 		ret = PTR_ERR(dsi->regs);
-		dev_err(dev, "Failed to ioremap memory: %d\n", ret);
 		goto err_unregister_host;
 	}
 
-- 
2.26.0.106.g9fadedd



_______________________________________________
Linux-mediatek mailing list
Linux-mediatek@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-mediatek

WARNING: multiple messages have this Message-ID (diff)
From: Zhen Lei <thunder.leizhen@huawei.com>
To: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Baruch Siach <baruch@tkos.co.il>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linux-mediatek <linux-mediatek@lists.infradead.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH v2 1/1] drm/mediatek: Remove redundant error printing
Date: Tue, 11 May 2021 21:43:37 +0800	[thread overview]
Message-ID: <20210511134338.6167-2-thunder.leizhen@huawei.com> (raw)
In-Reply-To: <20210511134338.6167-1-thunder.leizhen@huawei.com>

When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.

Therefore, remove the error printing here to simplify code and reduce the
binary size.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/gpu/drm/mediatek/mtk_cec.c        | 7 ++-----
 drivers/gpu/drm/mediatek/mtk_disp_ccorr.c | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c   | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c  | 4 +---
 drivers/gpu/drm/mediatek/mtk_dpi.c        | 7 ++-----
 drivers/gpu/drm/mediatek/mtk_dsi.c        | 1 -
 6 files changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_cec.c b/drivers/gpu/drm/mediatek/mtk_cec.c
index e9cef5c0c8f7eff..c47b54936cfa6b8 100644
--- a/drivers/gpu/drm/mediatek/mtk_cec.c
+++ b/drivers/gpu/drm/mediatek/mtk_cec.c
@@ -195,11 +195,8 @@ static int mtk_cec_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	cec->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(cec->regs)) {
-		ret = PTR_ERR(cec->regs);
-		dev_err(dev, "Failed to ioremap cec: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(cec->regs))
+		return PTR_ERR(cec->regs);
 
 	cec->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(cec->clk)) {
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
index 141cb36b9c07b74..2b9923e5c6382f7 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
@@ -173,10 +173,8 @@ static int mtk_disp_ccorr_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap ccorr\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 961f87f8d4d156f..48927135c247537 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -395,10 +395,8 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap ovl\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
 	if (ret)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 728aaadfea8cfcc..e8d31b4c12b7727 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -294,10 +294,8 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap rdma\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
 	if (ret)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index bea91c81626e154..f8020bc046cb63f 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -741,11 +741,8 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 	}
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	dpi->regs = devm_ioremap_resource(dev, mem);
-	if (IS_ERR(dpi->regs)) {
-		ret = PTR_ERR(dpi->regs);
-		dev_err(dev, "Failed to ioremap mem resource: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(dpi->regs))
+		return PTR_ERR(dpi->regs);
 
 	dpi->engine_clk = devm_clk_get(dev, "engine");
 	if (IS_ERR(dpi->engine_clk)) {
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index ae403c67cbd922d..89e351dfab88177 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -1062,7 +1062,6 @@ static int mtk_dsi_probe(struct platform_device *pdev)
 	dsi->regs = devm_ioremap_resource(dev, regs);
 	if (IS_ERR(dsi->regs)) {
 		ret = PTR_ERR(dsi->regs);
-		dev_err(dev, "Failed to ioremap memory: %d\n", ret);
 		goto err_unregister_host;
 	}
 
-- 
2.26.0.106.g9fadedd



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Zhen Lei <thunder.leizhen@huawei.com>
To: Chun-Kuang Hu <chunkuang.hu@kernel.org>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Matthias Brugger <matthias.bgg@gmail.com>,
	Baruch Siach <baruch@tkos.co.il>,
	dri-devel <dri-devel@lists.freedesktop.org>,
	linux-mediatek <linux-mediatek@lists.infradead.org>,
	linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Cc: Zhen Lei <thunder.leizhen@huawei.com>
Subject: [PATCH v2 1/1] drm/mediatek: Remove redundant error printing
Date: Tue, 11 May 2021 21:43:37 +0800	[thread overview]
Message-ID: <20210511134338.6167-2-thunder.leizhen@huawei.com> (raw)
In-Reply-To: <20210511134338.6167-1-thunder.leizhen@huawei.com>

When devm_ioremap_resource() fails, a clear enough error message will be
printed by its subfunction __devm_ioremap_resource(). The error
information contains the device name, failure cause, and possibly resource
information.

Therefore, remove the error printing here to simplify code and reduce the
binary size.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
---
 drivers/gpu/drm/mediatek/mtk_cec.c        | 7 ++-----
 drivers/gpu/drm/mediatek/mtk_disp_ccorr.c | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c   | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c  | 4 +---
 drivers/gpu/drm/mediatek/mtk_dpi.c        | 7 ++-----
 drivers/gpu/drm/mediatek/mtk_dsi.c        | 1 -
 6 files changed, 7 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_cec.c b/drivers/gpu/drm/mediatek/mtk_cec.c
index e9cef5c0c8f7eff..c47b54936cfa6b8 100644
--- a/drivers/gpu/drm/mediatek/mtk_cec.c
+++ b/drivers/gpu/drm/mediatek/mtk_cec.c
@@ -195,11 +195,8 @@ static int mtk_cec_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	cec->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(cec->regs)) {
-		ret = PTR_ERR(cec->regs);
-		dev_err(dev, "Failed to ioremap cec: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(cec->regs))
+		return PTR_ERR(cec->regs);
 
 	cec->clk = devm_clk_get(dev, NULL);
 	if (IS_ERR(cec->clk)) {
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
index 141cb36b9c07b74..2b9923e5c6382f7 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ccorr.c
@@ -173,10 +173,8 @@ static int mtk_disp_ccorr_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap ccorr\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index 961f87f8d4d156f..48927135c247537 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -395,10 +395,8 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap ovl\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
 	if (ret)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index 728aaadfea8cfcc..e8d31b4c12b7727 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -294,10 +294,8 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	priv->regs = devm_ioremap_resource(dev, res);
-	if (IS_ERR(priv->regs)) {
-		dev_err(dev, "failed to ioremap rdma\n");
+	if (IS_ERR(priv->regs))
 		return PTR_ERR(priv->regs);
-	}
 #if IS_REACHABLE(CONFIG_MTK_CMDQ)
 	ret = cmdq_dev_get_client_reg(dev, &priv->cmdq_reg, 0);
 	if (ret)
diff --git a/drivers/gpu/drm/mediatek/mtk_dpi.c b/drivers/gpu/drm/mediatek/mtk_dpi.c
index bea91c81626e154..f8020bc046cb63f 100644
--- a/drivers/gpu/drm/mediatek/mtk_dpi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dpi.c
@@ -741,11 +741,8 @@ static int mtk_dpi_probe(struct platform_device *pdev)
 	}
 	mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 	dpi->regs = devm_ioremap_resource(dev, mem);
-	if (IS_ERR(dpi->regs)) {
-		ret = PTR_ERR(dpi->regs);
-		dev_err(dev, "Failed to ioremap mem resource: %d\n", ret);
-		return ret;
-	}
+	if (IS_ERR(dpi->regs))
+		return PTR_ERR(dpi->regs);
 
 	dpi->engine_clk = devm_clk_get(dev, "engine");
 	if (IS_ERR(dpi->engine_clk)) {
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index ae403c67cbd922d..89e351dfab88177 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -1062,7 +1062,6 @@ static int mtk_dsi_probe(struct platform_device *pdev)
 	dsi->regs = devm_ioremap_resource(dev, regs);
 	if (IS_ERR(dsi->regs)) {
 		ret = PTR_ERR(dsi->regs);
-		dev_err(dev, "Failed to ioremap memory: %d\n", ret);
 		goto err_unregister_host;
 	}
 
-- 
2.26.0.106.g9fadedd



  reply	other threads:[~2021-05-11 13:54 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-11 13:43 [PATCH v2 0/1] drm/mediatek: Remove redundant error printing Zhen Lei
2021-05-11 13:43 ` Zhen Lei
2021-05-11 13:43 ` Zhen Lei
2021-05-11 13:43 ` Zhen Lei [this message]
2021-05-11 13:43   ` [PATCH v2 1/1] " Zhen Lei
2021-05-11 13:43   ` Zhen Lei

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