Re: [PATCH rdma-next] RDMA/rxe: Properly check tasklet state

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Mar 29, 2023 at 02:15:30PM -0500, Bob Pearson wrote:
> On 3/29/23 13:18, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@xxxxxxxxxx>
> > 
> > Fix the following smatch error:
> > 
> >   drivers/infiniband/sw/rxe/rxe_task.c:24 __reserve_if_idle()
> >   warn: bitwise AND condition is false here
> > 
> > Fixes: d94671632572 ("RDMA/rxe: Rewrite rxe_task.c")
> > Reported-by: Dan Carpenter <error27@xxxxxxxxx>
> > Link: https://lore.kernel.org/all/480b32b6-0f1c-4646-9ecc-e0760004cd24@kili.mountain
> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
> > ---
> >  drivers/infiniband/sw/rxe/rxe_task.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/infiniband/sw/rxe/rxe_task.c b/drivers/infiniband/sw/rxe/rxe_task.c
> > index fea9a517c8d9..48c89987137c 100644
> > --- a/drivers/infiniband/sw/rxe/rxe_task.c
> > +++ b/drivers/infiniband/sw/rxe/rxe_task.c
> > @@ -21,7 +21,7 @@ static bool __reserve_if_idle(struct rxe_task *task)
> >  {
> >  	WARN_ON(rxe_read(task->qp) <= 0);
> >  
> > -	if (task->tasklet.state & TASKLET_STATE_SCHED)
> > +	if (task->tasklet.state == TASKLET_STATE_SCHED)
> >  		return false;
> >  
> >  	if (task->state == TASK_STATE_IDLE) {
> > @@ -46,7 +46,7 @@ static bool __reserve_if_idle(struct rxe_task *task)
> >   */
> >  static bool __is_done(struct rxe_task *task)
> >  {
> > -	if (task->tasklet.state & TASKLET_STATE_SCHED)
> > +	if (task->tasklet.state == TASKLET_STATE_SCHED)
> >  		return false;
> >  
> >  	if (task->state == TASK_STATE_IDLE ||
> 
> Leon, This is not correct either. I am about to fix this. -- Bob

Sure, no problem.

Thanks



[Index of Archives]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Photo]     [Yosemite News]     [Yosemite Photos]     [Linux Kernel]     [Linux SCSI]     [XFree86]

  Powered by Linux