Re: [patch] sbp-target: checking for NULL instead of IS_ERR

From: Nicholas A. Bellinger
Date: Sat Mar 05 2016 - 04:33:33 EST


On Sat, 2016-03-05 at 08:45 +0000, Chris Boot wrote:
> On 5 Mar 2016, at 07:33, Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx> wrote:
> >
> > Hi Dan + BootC,
> >
> > On Wed, 2016-03-02 at 13:09 +0300, Dan Carpenter wrote:
> >> We changed this from kzalloc to sbp_mgt_get_req() so we need to change
> >> from checking for NULL to check for error pointers.
> >>
> >> Fixes: c064b2a78989 ('sbp-target: Conversion to percpu_ida tag pre-allocation')
> >> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> >>
> >> diff --git a/drivers/target/sbp/sbp_target.c b/drivers/target/sbp/sbp_target.c
> >> index 251d532..a04b0605f 100644
> >> --- a/drivers/target/sbp/sbp_target.c
> >> +++ b/drivers/target/sbp/sbp_target.c
> >> @@ -951,7 +951,7 @@ static void tgt_agent_fetch_work(struct work_struct *work)
> >>
> >> while (next_orb && tgt_agent_check_active(agent)) {
> >> req = sbp_mgt_get_req(sess, sess->card, next_orb);
> >> - if (!req) {
> >> + if (IS_ERR(req)) {
> >> spin_lock_bh(&agent->lock);
> >> agent->state = AGENT_STATE_DEAD;
> >> spin_unlock_bh(&agent->lock);
> >
> > Fixed + folded into the original patch.
> >
> > Thanks Dan.
> >
> > Chris, would you be so kind to review the original changes here:
> >
> > sbp-target: Conversion to percpu_ida tag pre-allocation
> > http://www.spinics.net/lists/target-devel/msg11778.html
> >
> > sbp-target: Convert to TARGET_SCF_ACK_KREF I/O krefs
> > http://www.spinics.net/lists/target-devel/msg11780.html
> >
> > and verify on your local IEEE1394 target setup..?
>
> Hi Nic, Dan,
>
> Iâm away this weekend so I canât test these for a few days at least,
> unfortunately. I must admit I only vaguely follow the changes here as
> I havenât been keeping up with the pace of change in target-devel
> lately, but it generally looks OK I think.
>
> Are these in linux-next or another branch somewhere I can easily clone
> them from?

The patch series is in target-pending/for-next.

>
> How soon do you need my ACK/NAK on these?
>

Assuming the merge window opens on the 13th, any time over the next 7-10
days would be fine.