Re: char-TPM: Adjustments for ten function implementations

[Michal SuchÃnek]

On Wed, 18 Oct 2017 02:18:46 -0700
Joe Perches <joe@xxxxxxxxxxx> wrote:

> On Wed, 2017-10-18 at 11:00 +0200, SF Markus Elfring wrote:
> > > The printk removals do change the objects.
> > > 
> > > The value of that type of change is only for resource limited
> > > systems.  
> > 
> > I imagine that such small code adjustments are also useful for
> > other systems.  
> 
> Your imagination and mine differ.
> Where do you _think_ it matters?
> 
> For instance, nothing about
> 
> 	sizeof(type)
> vs
> 	sizeof(*ptr)
> 
> makes it easier for a human to read the code.
> 

However, it makes it less error-prone to modify the code.

If you do ptr = malloc(sizeof(*ptr)) and later you change the type of
the pointer the code is still correct whereas ptr = malloc(sizeof(some
type) no longer is.

That is the reason the source analysis tool warns about this usage and
you do not really need any more explanation for *this* change.

The others are not so clear.

Thanks

Michal