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