Re: [PATCH -next] cifsd: fix WARNING: convert list_for_each to entry variant in smb2pdu.c

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On Fri, Jun 18, 2021 at 03:47:12PM +0800, libaokun (A) wrote:
> 在 2021/6/18 13:14, Dan Carpenter 写道:
> > On Fri, Jun 18, 2021 at 09:44:37AM +0800, libaokun (A) wrote:
> > > I don't know what the difference is between
> > > 
> > > list_for_each_entry() and list_for_each() for 'struct channel *chann',
> > > 
> > > but I don't think there's any difference here.
> > Correct.  There is no difference, but Coccinelle is smart enough to
> > parse list_for_each_entry() and it's not smart enough to parse
> > list_for_each().
> > 
> > > Would you give me more detial about this, please?
> > There is a Coccinelle script scripts/coccinelle/iterators/itnull.cocci
> > which will complain about the NULL check in the new code so this patch
> > will introduce a new warning.  We may as well remove the unnecessary
> > NULL check and avoid the warning.
> > 
> > regards,
> > dan carpenter
> > 
> > .
> 
> I get your point, but this bug has nothing to do with my patch.
> 
> It's  from e2f34481b24d(cifsd: add server-side procedures for SMB3).
> 

Fine, but when Hulk Robot reports the new warning and someone fixes it,
I'm going to insist that the Fixes tag points to your patch.  ;)

regards,
dan carpenter




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