From: Chris Torek <chris.torek@windriver.com>
>The SPARC64 kernel code for PTRACE_SETFPREGS64 appears to be an exact copy
>of that for PTRACE_GETFPREGS64.  This means that gdbserver and native
>64-bit GDB cannot set floating-point registers.
It looks like a simple typo.
Signed-off-by: David S. Miller <davem@davemloft.net>
                break;
 
        case PTRACE_SETFPREGS64:
-               ret = copy_regset_to_user(child, view, REGSET_FP,
+               ret = copy_regset_from_user(child, view, REGSET_FP,
                                          0 * sizeof(u64),
                                          33 * sizeof(u64),
                                          fps);