m32r: fix breakage from "m32r: use generic ptrace_resume code"

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index e555091eb97cbcf8bbe261851be3b72e90e6075e..0021ade4cba8c86bf1d2fd348b283d8cac591955 100644 (file)
--- a/arch/m32r/kernel/ptrace.c
+++ b/arch/m32r/kernel/ptrace.c
@@ -592,16 +592,17 @@ void user_enable_single_step(struct task_struct *child)
 
        if (access_process_vm(child, pc&~3, &insn, sizeof(insn), 0)
            != sizeof(insn))
-               break;
+               return -EIO;
 
        compute_next_pc(insn, pc, &next_pc, child);
        if (next_pc & 0x80000000)
-               break;
+               return -EIO;
 
        if (embed_debug_trap(child, next_pc))
-               break;
+               return -EIO;
 
        invalidate_cache();
+       return 0;
 }
 
 void user_disable_single_step(struct task_struct *child)