| The Linux Kernel API | ||
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Type of access: VERIFY_READ or VERIFY_WRITE
User space pointer to start of block to check
Size of block to check
This function has been replaced by access_ok.
Checks if a pointer to a block of memory in user space is valid.
Returns zero if the memory block may be valid, -EFAULT if it is definitely invalid.
See access_ok for more details.
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