lib: move strncpy_from_unsafe() into mm/maccess.c
To fix build errors: kernel/built-in.o: In function `bpf_trace_printk': bpf_trace.c:(.text+0x11a254): undefined reference to `strncpy_from_unsafe' kernel/built-in.o: In function `fetch_memory_string': trace_kprobe.c:(.text+0x11acf8): undefined reference to `strncpy_from_unsafe' move strncpy_from_unsafe() next to probe_kernel_read/write() which use the same memory access style. Reported-by: NFengguang Wu <fengguang.wu@intel.com> Reported-by: NGuenter Roeck <linux@roeck-us.net> Fixes: 1a6877b9 ("lib: introduce strncpy_from_unsafe()") Signed-off-by: NAlexei Starovoitov <ast@plumgrid.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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