diff --git a/drivers/media/video/v4l2-int-device.c b/drivers/media/video/v4l2-int-device.c index 7885d9b38c922f38e92accedb9f1af88f9020a71..aa2a8156338d1aa9c2c4ea96c457a67349267763 100644 --- a/drivers/media/video/v4l2-int-device.c +++ b/drivers/media/video/v4l2-int-device.c @@ -115,13 +115,9 @@ void v4l2_int_device_unregister(struct v4l2_int_device *d) mutex_unlock(&mutex); } -static int no_such_ioctl(struct v4l2_int_device *d) -{ - return -EINVAL; -} - /* Adapted from search_extable in extable.c. */ -static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd) +static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd, + v4l2_int_ioctl_func *no_such_ioctl) { const struct v4l2_int_ioctl_desc *first = slave->ioctls; const struct v4l2_int_ioctl_desc *last = @@ -140,15 +136,29 @@ static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd) return mid->func; } - return &no_such_ioctl; + return no_such_ioctl; +} + +static int no_such_ioctl_0(struct v4l2_int_device *d) +{ + return -EINVAL; } int v4l2_int_ioctl_0(struct v4l2_int_device *d, int cmd) { - return ((v4l2_int_ioctl_func_0 *)find_ioctl(d->u.slave, cmd))(d); + return ((v4l2_int_ioctl_func_0 *) + find_ioctl(d->u.slave, cmd, + (v4l2_int_ioctl_func *)&no_such_ioctl_0))(d); +} + +static int no_such_ioctl_1(struct v4l2_int_device *d, void *arg) +{ + return -EINVAL; } int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg) { - return ((v4l2_int_ioctl_func_1 *)find_ioctl(d->u.slave, cmd))(d, arg); + return ((v4l2_int_ioctl_func_1 *) + find_ioctl(d->u.slave, cmd, + (v4l2_int_ioctl_func *)&no_such_ioctl_1))(d, arg); } diff --git a/include/media/v4l2-int-device.h b/include/media/v4l2-int-device.h index 2b6fc1122f6cf10832fbde968b2568a9ed83aa92..deb28ce6685dc78134789b037b0e3e4b738d514f 100644 --- a/include/media/v4l2-int-device.h +++ b/include/media/v4l2-int-device.h @@ -170,7 +170,7 @@ int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg); arg_type asterisk arg) \ { \ return v4l2_int_ioctl_1(d, vidioc_int_##name##_num, \ - (void *)arg); \ + (void *)(unsigned long)arg); \ } \ \ static inline struct v4l2_int_ioctl_desc \