This patch uses regset_size() instead of using regset->n and regset->size directly. In this case, it will call the get_size() ported by arch dynamically to support dynamic regset size case.
Signed-off-by: Greentime Hu <[email protected]> --- kernel/ptrace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 43d6179508d6..946b2c4ec4fa 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -888,7 +888,7 @@ static int ptrace_regset(struct task_struct *task, int req, unsigned int type, regset_no = regset - view->regsets; kiov->iov_len = min(kiov->iov_len, - (__kernel_size_t) (regset->n * regset->size)); + (__kernel_size_t) regset_size(task, regset)); if (req == PTRACE_GETREGSET) return copy_regset_to_user(task, view, regset_no, 0, -- 2.26.2
