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From: Gerd Hoffmann <kraxel@redhat.com>
To: dri-devel@lists.freedesktop.org
Cc: laurent.pinchart@ideasonboard.com, daniel@ffwll.ch,
	Gerd Hoffmann <kraxel@redhat.com>,
	Sumit Semwal <sumit.semwal@linaro.org>,
	linux-media@vger.kernel.org (open list:DMA BUFFER SHARING
	FRAMEWORK),
	linaro-mm-sig@lists.linaro.org (moderated list:DMA BUFFER
	SHARING FRAMEWORK), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH 3/3] udmabuf: check that flags has no unsupported bits set
Date: Thu, 22 Aug 2019 11:36:54 +0200	[thread overview]
Message-ID: <20190822093654.23752-4-kraxel@redhat.com> (raw)
In-Reply-To: <20190822093654.23752-1-kraxel@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reported-by: Yann Droneaud <ydroneaud@opteya.com>
---
 drivers/dma-buf/udmabuf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index 6c3ec8fcef01..ca1364102b18 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -131,6 +131,9 @@ static long udmabuf_create(const struct udmabuf_create_list *head,
 	int seals, ret = -EINVAL;
 	u32 i, flags;
 
+	if (head->flags & ~UDMABUF_FLAGS_CLOEXEC)
+		return -EINVAL;
+
 	ubuf = kzalloc(sizeof(*ubuf), GFP_KERNEL);
 	if (!ubuf)
 		return -ENOMEM;
-- 
2.18.1


WARNING: multiple messages have this Message-ID (diff)
From: Gerd Hoffmann <kraxel@redhat.com>
To: dri-devel@lists.freedesktop.org
Cc: laurent.pinchart@ideasonboard.com, daniel@ffwll.ch,
	Gerd Hoffmann <kraxel@redhat.com>,
	Sumit Semwal <sumit.semwal@linaro.org>,
	"open list:DMA BUFFER SHARING FRAMEWORK"
	<linux-media@vger.kernel.org>,
	"moderated list:DMA BUFFER SHARING FRAMEWORK"
	<linaro-mm-sig@lists.linaro.org>,
	open list <linux-kernel@vger.kernel.org>
Subject: [PATCH 3/3] udmabuf: check that flags has no unsupported bits set
Date: Thu, 22 Aug 2019 11:36:54 +0200	[thread overview]
Message-ID: <20190822093654.23752-4-kraxel@redhat.com> (raw)
In-Reply-To: <20190822093654.23752-1-kraxel@redhat.com>

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reported-by: Yann Droneaud <ydroneaud@opteya.com>
---
 drivers/dma-buf/udmabuf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index 6c3ec8fcef01..ca1364102b18 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -131,6 +131,9 @@ static long udmabuf_create(const struct udmabuf_create_list *head,
 	int seals, ret = -EINVAL;
 	u32 i, flags;
 
+	if (head->flags & ~UDMABUF_FLAGS_CLOEXEC)
+		return -EINVAL;
+
 	ubuf = kzalloc(sizeof(*ubuf), GFP_KERNEL);
 	if (!ubuf)
 		return -ENOMEM;
-- 
2.18.1

  parent reply	other threads:[~2019-08-22  9:36 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-22  9:36 [PATCH 0/3] udmabuf: misc tweaks Gerd Hoffmann
2019-08-22  9:36 ` [PATCH 1/3] udmabuf: add documentation Gerd Hoffmann
2019-08-22  9:36   ` Gerd Hoffmann
2019-08-22  9:36 ` [PATCH 2/3] udmabuf: check that __pad is zero Gerd Hoffmann
2019-08-22  9:36   ` Gerd Hoffmann
2019-08-22  9:36 ` Gerd Hoffmann [this message]
2019-08-22  9:36   ` [PATCH 3/3] udmabuf: check that flags has no unsupported bits set Gerd Hoffmann

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