associating miscdevice with inode

[vb]

guys,

say I have a misc device driver which instantiates several devices.
When a file operation on this device is invoked, I need to be able to
figure out which device is being accessed. All available information
are

struct inode and struct file. Is there a way to find the address of
the miscdevice structure passed to misc_register() when this device
was created?

TIA,
/vadim
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