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[media] media-device: Simplify compat32 logic

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Only MEDIA_IOC_ENUM_LINKS32 require an special logic when
userspace is 32 bits and Kernel is 64 bits.

For the rest, media_device_ioctl() will do the right thing,
and will return -ENOIOCTLCMD if the ioctl is unknown.

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-03-21 09:19:31 -03:00
parent 00303f9134
commit f73696275e
1 changed files with 1 additions and 7 deletions
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8
drivers/media/media-device.c
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@ -499,12 +499,6 @@ static long media_device_compat_ioctl(struct file *filp, unsigned int cmd,
long ret;
switch (cmd) {
case MEDIA_IOC_DEVICE_INFO:
case MEDIA_IOC_ENUM_ENTITIES:
case MEDIA_IOC_SETUP_LINK:
case MEDIA_IOC_G_TOPOLOGY:
return media_device_ioctl(filp, cmd, arg);
case MEDIA_IOC_ENUM_LINKS32:
mutex_lock(&dev->graph_mutex);
ret = media_device_enum_links32(dev,
@ -513,7 +507,7 @@ static long media_device_compat_ioctl(struct file *filp, unsigned int cmd,
break;
default:
ret = -ENOIOCTLCMD;
return media_device_ioctl(filp, cmd, arg);
}
return ret;