Re: [PATCH 06/20] Input: atmel_mxt_ts - allow writing to object sysfs entry
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From: Alan Cox <hidden>
Date: 2012-03-20 23:01:45
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On Tue, 13 Mar 2012 20:04:09 +0800 Daniel Kurtz [off-list ref] wrote:
Userspace can write a 24-bit value (encoded as a 6 character hex string) to the 'object' sysfs entry to modify a single byte of the object table. The hex string encodes a 3 bytes, in the following format:
How is this locked against other users and updates of these table data ? I don't see how all the objects and their pointers and size are guaranteedto always be valid in all the users you have ?