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38 lines
1.5 KiB
Diff
38 lines
1.5 KiB
Diff
From 9b6ed88a92f7f5e6b04024dcefec19c59698c5c8 Mon Sep 17 00:00:00 2001
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From: Marek Szyprowski <m.szyprowski@samsung.com>
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Date: Mon, 7 Jan 2019 13:04:14 +0100
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Subject: [PATCH 9/9] media: s5p-mfc: fix incorrect bus assignment in virtual
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child device
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Virtual MFC codec's child devices must not be assigned to platform bus,
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because they are allocated as raw 'struct device' and don't have the
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corresponding 'platform' part. This fixes NULL pointer access revealed
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recently by commit a66d972465d1 ("devres: Align data[] to
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ARCH_KMALLOC_MINALIGN").
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Reported-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
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Fixes: c79667dd93b0 ("media: s5p-mfc: replace custom reserved memory handling code with generic one")
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Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
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Tested-by: Paweł Chmiel <pawel.mikolaj.chmiel@gmail.com>
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---
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drivers/media/platform/s5p-mfc/s5p_mfc.c | 1 -
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1 file changed, 1 deletion(-)
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diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c
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index 927a1235408d..ca11f8a7569d 100644
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--- a/drivers/media/platform/s5p-mfc/s5p_mfc.c
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+++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c
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@@ -1089,7 +1089,6 @@ static struct device *s5p_mfc_alloc_memdev(struct device *dev,
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device_initialize(child);
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dev_set_name(child, "%s:%s", dev_name(dev), name);
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child->parent = dev;
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- child->bus = dev->bus;
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child->coherent_dma_mask = dev->coherent_dma_mask;
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child->dma_mask = dev->dma_mask;
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child->release = s5p_mfc_memdev_release;
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--
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2.19.2
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