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blesson paul wrote: > Hi all > I need to copy some data from kernel memory space to user > memory space. When I investigated, the command for that purpose is > put_user_byte(). But in kernel2.4, I can't find the implementation of > this command. I want to know the command which replaced put_user_byte() > in 2.4 kernel. Also I want to know whether there is any synonyms for > verify_area() in kernel 2.4 > regards > Blesson Paul Use put_user(val, uaddr). val must be of type unsigned char (or casted to it). It will return 0 on success or -EFAULT on fault. verify_area() is normally not needed in 2.4, unless you are copying many values to user space and only want to do the priviledge check once on the whole range. -- Brian Gerst - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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