On Wed, Mar 05, 2025 at 09:40:43AM +0100, Markus Elfring wrote: > >>> The address of a data structure member was determined before > >>> a corresponding null pointer check in the implementation of > >>> the functions “dpu_hw_pp_enable_te” and “dpu_hw_pp_get_vsync_info”. > >>> > >>> Thus avoid the risk for undefined behaviour by removing extra > >>> initialisations for the variable “c” (also because it was already > >>> reassigned with the same value behind this pointer check). > > There is no undefined behavior here. > > Is there a need to improve the wording precision? > > There are words which denote a special meaning according to aspects of > the programming language “C”. > https://en.cppreference.com/w/c/language/behavior > > Dereferences of null pointers are treated in special ways. This not a dereference. It's just pointer math. regards, dan carpenter
