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SubjectRe: [Outreachy kernel] Re: [PATCH] Staging: rtl8188eu: core: Use list_for_each_entry_safe
On Wed, Oct 4, 2017 at 8:11 PM, Julia Lawall <julia.lawall@lip6.fr> wrote:
>
>
> On Wed, 4 Oct 2017, Dan Carpenter wrote:
>
>> On Wed, Oct 04, 2017 at 03:39:30PM +0200, Julia Lawall wrote:
>> >
>> >
>> > On Wed, 4 Oct 2017, Dan Carpenter wrote:
>> >
>> > > On Wed, Oct 04, 2017 at 01:58:32AM +0530, Srishti Sharma wrote:
>> > > > Use list_for_each_entry_safe when the list elements may get deleted
>> > > > during traversal.
>> > >
>> > > This patch is fine as a cleanup but none of these are actually buggy.
>> >
>> > I'm not sure what you are getting at with the comment. The commit doesn't
>> > say that they were buggy. Perhaps the commit message could have been more
>> > verbose, like "Use list operators on list_head values.
>> > List_for_each_entry_safe is needed because the list elements get deleted
>> ^^^^^^^^^
>>
>> It is not *needed*, the original code works fine. The problem with the
>> original code, is that it's ugly as sin.
>>
>> > during the traversal"?
>>
>> The changelog needs to say *why* we're applying the patch. At first I
>> thought it was going to fix a use after free. What I would prefer in
>> the changelog is something like: "This patch is a cleanup and doesn't
>> change runtime behavior. It changes an open coded list traversal to
>> use list_for_each_entry_safe."
>
> OK, Srishti, you can put that. But change the subject lines too.
Ok will do ! Thanks again.
Regards,
Srishti
>
> julia
>
>>
>> regards,
>> dan carpenter
>>
>>
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