On Fri, Jan 13, 2023 at 03:53:46PM +0800, Zhu Yanjun wrote: > 在 2023/1/13 10:35, Jia-Ju Bai 写道: > > In a previous commit 3282a549cf9b, qp->resp.mr could be NULL. Moreover, > > in many functions, qp->resp.mr is checked before its dereferences. > > However, in some functions, this variable is not checked, and thus NULL > > checks should be added. > > IMO, we should analyze the code snippet one by one. > And it is not good to add "NULL check" without futher investigations. +1