On Wed, Jan 05, 2022 at 04:26:34PM +0800, Jiasheng Jiang wrote: > As the possible failure of the allocation, kmemdup() may return NULL > pointer. > Like alloc_switch(), it might be better to check it. > Therefore, icm_handle_event() should also check the return value of > kmemdup(). > If fails, just free 'n' and directly return is enough, same as the way > to handle the failure of kmalloc(). I can not understand this changelog text at all, sorry. Please read the documentation for how to write a good changelog text. And most importantly, how did you test this change? thanks, greg k-h