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-rw-r--r--arch/m32r/kernel/ptrace.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/m32r/kernel/ptrace.c b/arch/m32r/kernel/ptrace.c
index e555091eb97c..0021ade4cba8 100644
--- 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)