All of lore.kernel.org
 help / color / mirror / Atom feed
* [PATCH v2] media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32
@ 2016-03-14 11:16 ` Tiffany Lin
  0 siblings, 0 replies; 3+ messages in thread
From: Tiffany Lin @ 2016-03-14 11:16 UTC (permalink / raw)
  To: Hans Verkuil, daniel.thompson, Rob Herring,
	Mauro Carvalho Chehab, Matthias Brugger, Daniel Kurtz,
	Pawel Osciak
  Cc: Eddie Huang, Yingjoe Chen, devicetree, linux-kernel,
	linux-arm-kernel, linux-media, linux-mediatek, PoChun.Lin,
	Tiffany.lin, Tiffany Lin

In v4l2-compliance utility, test VIDIOC_CREATE_BUFS will check whether reserved
filed of v4l2_create_buffers filled with zero
Reserved field is filled with zero in v4l_create_bufs.
This patch copy reserved field of v4l2_create_buffer from kernel space to user
space

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
---

Changes since v1
- Remove Change-Id
- Add commit message

 drivers/media/v4l2-core/v4l2-compat-ioctl32.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index f38c076..109f687 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -280,7 +280,8 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user
 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
 {
 	if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
-	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)))
+	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
+	    copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
 		return -EFAULT;
 	return __put_v4l2_format32(&kp->format, &up->format);
 }
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH v2] media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32
@ 2016-03-14 11:16 ` Tiffany Lin
  0 siblings, 0 replies; 3+ messages in thread
From: Tiffany Lin @ 2016-03-14 11:16 UTC (permalink / raw)
  To: Hans Verkuil, daniel.thompson, Rob Herring,
	Mauro Carvalho Chehab, Matthias Brugger, Daniel Kurtz,
	Pawel Osciak
  Cc: Eddie Huang, Yingjoe Chen, devicetree, linux-kernel,
	linux-arm-kernel, linux-media, linux-mediatek, PoChun.Lin,
	Tiffany.lin, Tiffany Lin

In v4l2-compliance utility, test VIDIOC_CREATE_BUFS will check whether reserved
filed of v4l2_create_buffers filled with zero
Reserved field is filled with zero in v4l_create_bufs.
This patch copy reserved field of v4l2_create_buffer from kernel space to user
space

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
---

Changes since v1
- Remove Change-Id
- Add commit message

 drivers/media/v4l2-core/v4l2-compat-ioctl32.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index f38c076..109f687 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -280,7 +280,8 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user
 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
 {
 	if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
-	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)))
+	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
+	    copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
 		return -EFAULT;
 	return __put_v4l2_format32(&kp->format, &up->format);
 }
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* [PATCH v2] media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32
@ 2016-03-14 11:16 ` Tiffany Lin
  0 siblings, 0 replies; 3+ messages in thread
From: Tiffany Lin @ 2016-03-14 11:16 UTC (permalink / raw)
  To: linux-arm-kernel

In v4l2-compliance utility, test VIDIOC_CREATE_BUFS will check whether reserved
filed of v4l2_create_buffers filled with zero
Reserved field is filled with zero in v4l_create_bufs.
This patch copy reserved field of v4l2_create_buffer from kernel space to user
space

Signed-off-by: Tiffany Lin <tiffany.lin@mediatek.com>
---

Changes since v1
- Remove Change-Id
- Add commit message

 drivers/media/v4l2-core/v4l2-compat-ioctl32.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index f38c076..109f687 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -280,7 +280,8 @@ static int put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __user
 static int put_v4l2_create32(struct v4l2_create_buffers *kp, struct v4l2_create_buffers32 __user *up)
 {
 	if (!access_ok(VERIFY_WRITE, up, sizeof(struct v4l2_create_buffers32)) ||
-	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)))
+	    copy_to_user(up, kp, offsetof(struct v4l2_create_buffers32, format)) ||
+	    copy_to_user(up->reserved, kp->reserved, sizeof(kp->reserved)))
 		return -EFAULT;
 	return __put_v4l2_format32(&kp->format, &up->format);
 }
-- 
1.7.9.5

^ permalink raw reply related	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-03-14 11:16 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2016-03-14 11:16 [PATCH v2] media: v4l2-compat-ioctl32: fix missing reserved field copy in put_v4l2_create32 Tiffany Lin
2016-03-14 11:16 ` Tiffany Lin
2016-03-14 11:16 ` Tiffany Lin

This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.