diff options
author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/media/usb/em28xx/em28xx-vbi.c | |
parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/media/usb/em28xx/em28xx-vbi.c')
-rw-r--r-- | drivers/media/usb/em28xx/em28xx-vbi.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/media/usb/em28xx/em28xx-vbi.c b/drivers/media/usb/em28xx/em28xx-vbi.c index e23c285b3..fe94c9225 100644 --- a/drivers/media/usb/em28xx/em28xx-vbi.c +++ b/drivers/media/usb/em28xx/em28xx-vbi.c @@ -31,26 +31,22 @@ /* ------------------------------------------------------------------ */ -static int vbi_queue_setup(struct vb2_queue *vq, const void *parg, +static int vbi_queue_setup(struct vb2_queue *vq, unsigned int *nbuffers, unsigned int *nplanes, unsigned int sizes[], void *alloc_ctxs[]) { - const struct v4l2_format *fmt = parg; struct em28xx *dev = vb2_get_drv_priv(vq); struct em28xx_v4l2 *v4l2 = dev->v4l2; - unsigned long size; + unsigned long size = v4l2->vbi_width * v4l2->vbi_height * 2; - if (fmt) - size = fmt->fmt.pix.sizeimage; - else - size = v4l2->vbi_width * v4l2->vbi_height * 2; - - if (0 == *nbuffers) - *nbuffers = 32; if (*nbuffers < 2) *nbuffers = 2; - if (*nbuffers > 32) - *nbuffers = 32; + + if (*nplanes) { + if (sizes[0] < size) + return -EINVAL; + size = sizes[0]; + } *nplanes = 1; sizes[0] = size; |