[SPARC{32,64}]: Propagate ptrace_traceme() return value.

ptrace_traceme() consolidation made

	ret = ptrace_traceme();

dead write.
Signed-off-by: Alexey Dobriyan <adobriyan@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

arch/sparc/kernel/ptrace.c

@@ -289,6 +289,9 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 
 	if (request == PTRACE_TRACEME) {
 		ret = ptrace_traceme();
+		if (ret < 0)
+			pt_error_return(regs, -ret);
+		else
 			pt_succ_return(regs, 0);
 		goto out;
 	}

arch/sparc64/kernel/ptrace.c

@@ -202,6 +202,9 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 #endif
 	if (request == PTRACE_TRACEME) {
 		ret = ptrace_traceme();
+		if (ret < 0)
+			pt_error_return(regs, -ret);
+		else
 			pt_succ_return(regs, 0);
 		goto out;
 	}