Re: [PATCH] ib_srpt: wait_for_completion_timeout does not return negativ status

From: Nicholas Mc Guire
Date: Fri Jan 16 2015 - 07:02:12 EST


On Fri, 16 Jan 2015, Bart Van Assche wrote:

> On 01/16/15 12:20, Nicholas Mc Guire wrote:
> > Signed-off-by: Nicholas Mc Guire <der.herr@xxxxxxx>
> > ---
> >
> > Patch is against 3.19.0-rc3 -next-20150109
> >
> > Patch was compiletested only with x86_64_defconfig +
> > CONFIG_TARGET_CORE=m, CONFIG_INFINIBAND=m, CONFIG_INFINIBAND_SRPT=m
> >
> > drivers/infiniband/ulp/srpt/ib_srpt.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/infiniband/ulp/srpt/ib_srpt.c b/drivers/infiniband/ulp/srpt/ib_srpt.c
> > index eb694dd..4e58c76 100644
> > --- a/drivers/infiniband/ulp/srpt/ib_srpt.c
> > +++ b/drivers/infiniband/ulp/srpt/ib_srpt.c
> > @@ -3533,7 +3533,7 @@ static void srpt_close_session(struct se_session *se_sess)
> > spin_unlock_irq(&sdev->spinlock);
> >
> > res = wait_for_completion_timeout(&release_done, 60 * HZ);
> > - WARN_ON(res <= 0);
> > + WARN_ON(res == 0);
> > }
> >
> > /**
>
> The description of this patch explains why you would like to change this
> code but not why this change is useful. Does building the current code
> e.g. trigger a compiler warning ? If so, which warning ? If not, why
> would you like to change this code and why do you think this change is
> an improvement ?
>
the code will not fail in its urrent form but it will trigger
static code chekcers (actually this was found by a static code checker)

so its a QA issue not a bug fix in any way.

thx!
hofrat
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