Re: [PATCH] TPM: Let the tpm char device be openable multiple times

From: Alan Cox
Date: Tue Nov 03 2009 - 05:42:35 EST

> - Move the user space data buffer and related goop into a
> struct tpm_file, create one struct tpm_file per open file.

Is that really sufficient ?

You can open a file once, dup it (or inherit it and get multiple callers
from the same file handle. Ditto consider threated apps

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