[RESEND PATCH v5 3/5] drivers core: allow probe_err accept integer and pointer types
Rafael J. Wysocki
rafael at kernel.org
Wed Jun 24 10:55:47 EDT 2020
On Wed, Jun 24, 2020 at 4:44 PM Andrzej Hajda <a.hajda at samsung.com> wrote:
> On 24.06.2020 14:14, Rafael J. Wysocki wrote:
> > On Wed, Jun 24, 2020 at 1:41 PM Andrzej Hajda <a.hajda at samsung.com> wrote:
> >> Many resource acquisition functions return error value encapsulated in
> >> pointer instead of integer value. To simplify coding we can use macro
> >> which will accept both types of error.
> >> With this patch user can use:
> >> probe_err(dev, ptr, ...)
> >> instead of:
> >> probe_err(dev, PTR_ERR(ptr), ...)
> >> Without loosing old functionality:
> >> probe_err(dev, err, ...)
> >> Signed-off-by: Andrzej Hajda <a.hajda at samsung.com>
> > The separation of this change from patch [1/5] looks kind of artificial to me.
> > You are introducing a new function anyway, so why not to make it what
> > you want right away?
> Two reasons:
> 1.This patch is my recent idea, I didn't want to mix it with already
> reviewed code.
> 2. This patch could be treated hacky by some devs due to macro
> definition and type-casting.
There is some opposition against the $subject one, so I guess it may
be dropped even.
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