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V4L/DVB (5883): V4L: Fix a compile warning on non-32-bit machines.
Fix a compile warning on non-32-bit machines in v4l2-int-device.h. Add internal ioctl interface fallback function for ioctls with one argument. Signed-off-by: Sakari Ailus <sakari.ailus@nokia.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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@ -115,13 +115,9 @@ void v4l2_int_device_unregister(struct v4l2_int_device *d)
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mutex_unlock(&mutex);
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}
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static int no_such_ioctl(struct v4l2_int_device *d)
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{
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return -EINVAL;
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}
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/* Adapted from search_extable in extable.c. */
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static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd)
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static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd,
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v4l2_int_ioctl_func *no_such_ioctl)
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{
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const struct v4l2_int_ioctl_desc *first = slave->ioctls;
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const struct v4l2_int_ioctl_desc *last =
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@ -140,15 +136,29 @@ static v4l2_int_ioctl_func *find_ioctl(struct v4l2_int_slave *slave, int cmd)
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return mid->func;
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}
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return &no_such_ioctl;
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return no_such_ioctl;
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}
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static int no_such_ioctl_0(struct v4l2_int_device *d)
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{
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return -EINVAL;
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}
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int v4l2_int_ioctl_0(struct v4l2_int_device *d, int cmd)
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{
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return ((v4l2_int_ioctl_func_0 *)find_ioctl(d->u.slave, cmd))(d);
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return ((v4l2_int_ioctl_func_0 *)
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find_ioctl(d->u.slave, cmd,
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(v4l2_int_ioctl_func *)&no_such_ioctl_0))(d);
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}
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static int no_such_ioctl_1(struct v4l2_int_device *d, void *arg)
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{
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return -EINVAL;
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}
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int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg)
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{
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return ((v4l2_int_ioctl_func_1 *)find_ioctl(d->u.slave, cmd))(d, arg);
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return ((v4l2_int_ioctl_func_1 *)
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find_ioctl(d->u.slave, cmd,
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(v4l2_int_ioctl_func *)&no_such_ioctl_1))(d, arg);
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}
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@ -170,7 +170,7 @@ int v4l2_int_ioctl_1(struct v4l2_int_device *d, int cmd, void *arg);
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arg_type asterisk arg) \
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{ \
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return v4l2_int_ioctl_1(d, vidioc_int_##name##_num, \
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(void *)arg); \
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(void *)(unsigned long)arg); \
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} \
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\
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static inline struct v4l2_int_ioctl_desc \
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