The Linux Kernel API | ||
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Destination address, in kernel space.
Source address, in user space.
Number of bytes to copy.
Copy data from user space to kernel space. Caller must check the specified block with access_ok before calling this function.
Returns number of bytes that could not be copied. On success, this will be zero.
If some data could not be copied, this function will pad the copied data to the requested size using zero bytes.
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__copy_to_user | Up | strlen_user |