mm: avoid false sharing of mm_counter

[safe/jmp/linux-2.6] / kernel / ptrace.c

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 13b4554..42ad8ae 100644 (file)
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -537,7 +537,7 @@ static int ptrace_regset(struct task_struct *task, int req, unsigned int type,
        int regset_no;
 
        if (!regset || (kiov->iov_len % regset->size) != 0)
-               return -EIO;
+               return -EINVAL;
 
        regset_no = regset - view->regsets;
        kiov->iov_len = min(kiov->iov_len,