Merge tag 'media/v4.3-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...

[android-x86/kernel.git] / drivers / media / v4l2-core / videobuf2-core.c

diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index f1022d8..4f59b7e 100644 (file)
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -1691,9 +1691,7 @@ static int __buf_prepare(struct vb2_buffer *vb, const struct v4l2_buffer *b)
                ret = __qbuf_mmap(vb, b);
                break;
        case V4L2_MEMORY_USERPTR:
-               down_read(&current->mm->mmap_sem);
                ret = __qbuf_userptr(vb, b);
-               up_read(&current->mm->mmap_sem);
                break;
        case V4L2_MEMORY_DMABUF:
                ret = __qbuf_dmabuf(vb, b);