fix v4l2 buffer ioctl fallbacks for pre-5.6 kernels

[musl] / src / misc / ioctl.c

diff --git a/src/misc/ioctl.c b/src/misc/ioctl.c
index 8947751..26481c6 100644 (file)
--- a/src/misc/ioctl.c
+++ b/src/misc/ioctl.c
@@ -49,10 +49,10 @@ static const struct ioctl_compat_map compat_map[] = {
        { 0, 0, 8, WR, 1, OFFS(0,4) }, /* snd_pcm_mmap_control */
 
        /* VIDIOC_QUERYBUF, VIDIOC_QBUF, VIDIOC_DQBUF, VIDIOC_PREPARE_BUF */
-       { _IOWR('V',  9, new_misaligned(72)), _IOWR('V',  9, char[72]), 72, WR, 0, OFFS(20) },
-       { _IOWR('V', 15, new_misaligned(72)), _IOWR('V', 15, char[72]), 72, WR, 0, OFFS(20) },
-       { _IOWR('V', 17, new_misaligned(72)), _IOWR('V', 17, char[72]), 72, WR, 0, OFFS(20) },
-       { _IOWR('V', 93, new_misaligned(72)), _IOWR('V', 93, char[72]), 72, WR, 0, OFFS(20) },
+       { _IOWR('V',  9, new_misaligned(68)), _IOWR('V',  9, char[68]), 68, WR, 1, OFFS(20, 24) },
+       { _IOWR('V', 15, new_misaligned(68)), _IOWR('V', 15, char[68]), 68, WR, 1, OFFS(20, 24) },
+       { _IOWR('V', 17, new_misaligned(68)), _IOWR('V', 17, char[68]), 68, WR, 1, OFFS(20, 24) },
+       { _IOWR('V', 93, new_misaligned(68)), _IOWR('V', 93, char[68]), 68, WR, 1, OFFS(20, 24) },
 
        /* VIDIOC_DQEVENT */
        { _IOR('V', 89, new_misaligned(96)), _IOR('V', 89, char[96]), 96, R, 0, OFFS(76,80) },