Wilczynski, Michal wrote: > On 10/13/2023 6:38 PM, Dan Williams wrote: > > Michal Wilczynski wrote: > >> devm_*() family of functions purpose is managing memory attached to a > >> device. So in general it should only be used for allocations that should > >> last for the whole lifecycle of the device. > > No, this assertion is not accurate, if it were strictly true then > > devm_kfree() should be deleted. This patch is only a cleanup to switch > > the automatic cleanup pattern from devm to the new cleanup.h helpers. > > The memory in question is only used locally in a function, so there is no reason > to use devm_*() family of functions. I think devm_kfree() is more for special > cases where the memory is meant to be used for the whole lifecycle of device, > but some special case occurs and it's not and it needs to be freed. > > This is an incorrect API usage. Would you propose to change all memory > allocations currently being done to devm_*() family simply because devm_kfree() > exists ? Michal, please work with someone else to get these cleanups upstream, I am done with this thread.