[SOLVED] Split addresses on 32 and 64 bit platforms
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Off: I don't know this 'access_ok' function, but I guess it is '(void *)u_tmp->rx_buf' they could have used, as 'void *' is the generic pointer type in C. (If type-cast was required at all.)
No (void *) will often cause problems when doing pointer arithmatic. access_ok is a kernel routiner used by anyone who write a driver to check that memory can be copied between kernel and user space.
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