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path: root/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
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Diffstat (limited to 'drivers/media/v4l2-core/v4l2-compat-ioctl32.c')
-rw-r--r--drivers/media/v4l2-core/v4l2-compat-ioctl32.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
index a99e82ec9ab6..593bcf6c3735 100644
--- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
+++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c
@@ -246,6 +246,9 @@ struct v4l2_format32 {
* @memory: buffer memory type
* @format: frame format, for which buffers are requested
* @capabilities: capabilities of this buffer type.
+ * @flags: additional buffer management attributes (ignored unless the
+ * queue has V4L2_BUF_CAP_SUPPORTS_MMAP_CACHE_HINTS capability and
+ * configured for MMAP streaming I/O).
* @reserved: future extensions
*/
struct v4l2_create_buffers32 {
@@ -254,7 +257,8 @@ struct v4l2_create_buffers32 {
__u32 memory; /* enum v4l2_memory */
struct v4l2_format32 format;
__u32 capabilities;
- __u32 reserved[7];
+ __u32 flags;
+ __u32 reserved[6];
};
static int __bufsize_v4l2_format(struct v4l2_format32 __user *p32, u32 *size)
@@ -355,7 +359,8 @@ static int get_v4l2_create32(struct v4l2_create_buffers __user *p64,
{
if (!access_ok(p32, sizeof(*p32)) ||
copy_in_user(p64, p32,
- offsetof(struct v4l2_create_buffers32, format)))
+ offsetof(struct v4l2_create_buffers32, format)) ||
+ assign_in_user(&p64->flags, &p32->flags))
return -EFAULT;
return __get_v4l2_format32(&p64->format, &p32->format,
aux_buf, aux_space);
@@ -417,6 +422,7 @@ static int put_v4l2_create32(struct v4l2_create_buffers __user *p64,
copy_in_user(p32, p64,
offsetof(struct v4l2_create_buffers32, format)) ||
assign_in_user(&p32->capabilities, &p64->capabilities) ||
+ assign_in_user(&p32->flags, &p64->flags) ||
copy_in_user(p32->reserved, p64->reserved, sizeof(p64->reserved)))
return -EFAULT;
return __put_v4l2_format32(&p64->format, &p32->format);