sparc64: Fix bug in PTRACE_SETFPREGS64 handling.

From: Chris Torek <[e-mail]>

>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 <[e-mail]>

arch/sparc64/kernel/ptrace.c

···
 		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);