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 v3 3/3] udmabuf: check that flags has no unsupported bits set
Date: Wed, 12 Sep 2018 08:33:16 +0200 [thread overview]
Message-ID: <20180912063316.21047-4-kraxel@redhat.com> (raw)
In-Reply-To: <20180912063316.21047-1-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 964beadd11..acd97670c5 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -128,6 +128,9 @@ 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;
--
2.9.3
prev parent reply other threads:[~2018-09-12 6:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-12 6:33 [PATCH v3 0/3] udmabuf: misc fixes Gerd Hoffmann
2018-09-12 6:33 ` [PATCH v3 1/3] udmabuf: add documentation Gerd Hoffmann
2018-09-12 16:40 ` Randy Dunlap
2018-09-12 6:33 ` [PATCH v3 2/3] udmabuf: check that __pad is zero Gerd Hoffmann
2018-09-12 6:33 ` Gerd Hoffmann [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20180912063316.21047-4-kraxel@redhat.com \
--to=kraxel@redhat.com \
--cc=daniel@ffwll.ch \
--cc=dri-devel@lists.freedesktop.org \
--cc=laurent.pinchart@ideasonboard.com \
--cc=linaro-mm-sig@lists.linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=sumit.semwal@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox