diff options
Diffstat (limited to 'linux/drivers/media/video/stk-webcam.c')
| -rw-r--r-- | linux/drivers/media/video/stk-webcam.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/linux/drivers/media/video/stk-webcam.c b/linux/drivers/media/video/stk-webcam.c index 54efa2cc0..849867ab2 100644 --- a/linux/drivers/media/video/stk-webcam.c +++ b/linux/drivers/media/video/stk-webcam.c @@ -27,6 +27,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> +#include <linux/smp_lock.h> #include <linux/usb.h> #include <linux/mm.h> @@ -1113,8 +1114,6 @@ static int stk_vidioc_reqbufs(struct file *filp, if (dev == NULL) return -ENODEV; - if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; if (rb->memory != V4L2_MEMORY_MMAP) return -EINVAL; if (is_streaming(dev) @@ -1140,7 +1139,7 @@ static int stk_vidioc_querybuf(struct file *filp, struct stk_camera *dev = priv; struct stk_sio_buffer *sbuf; - if (buf->index < 0 || buf->index >= dev->n_sbufs) + if (buf->index >= dev->n_sbufs) return -EINVAL; sbuf = dev->sio_bufs + buf->index; *buf = sbuf->v4lbuf; @@ -1153,13 +1152,11 @@ static int stk_vidioc_qbuf(struct file *filp, struct stk_camera *dev = priv; struct stk_sio_buffer *sbuf; unsigned long flags; - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; if (buf->memory != V4L2_MEMORY_MMAP) return -EINVAL; - if (buf->index < 0 || buf->index >= dev->n_sbufs) + if (buf->index >= dev->n_sbufs) return -EINVAL; sbuf = dev->sio_bufs + buf->index; if (sbuf->v4lbuf.flags & V4L2_BUF_FLAG_QUEUED) @@ -1181,8 +1178,7 @@ static int stk_vidioc_dqbuf(struct file *filp, unsigned long flags; int ret; - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE - || !is_streaming(dev)) + if (!is_streaming(dev)) return -EINVAL; if (filp->f_flags & O_NONBLOCK && list_empty(&dev->sio_full)) @@ -1241,9 +1237,6 @@ static int stk_vidioc_streamoff(struct file *filp, static int stk_vidioc_g_parm(struct file *filp, void *priv, struct v4l2_streamparm *sp) { - if (sp->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - /*FIXME This is not correct */ sp->parm.capture.timeperframe.numerator = 1; sp->parm.capture.timeperframe.denominator = 30; |