| Message ID | 20210415151422.9139-1-bharat@chelsio.com (mailing list archive) |
|---|---|
| State | Accepted |
| Delegated to: | Jason Gunthorpe |
| Headers | show |
| Series | [for-next] RDMA/cxgb4: add missing qpid increment | expand |
On Thu, Apr 15, 2021 at 08:44:22PM +0530, Potnuri Bharat Teja wrote: > missing qpid increment leads to skipping few qpids while allocating QP. > This eventually leads to adapter running out of qpids after establishing > fewer connections than it actually supports. > Current patch increments the qpid correctly. > > Fixes: cfdda9d76436 ("RDMA/cxgb4: Add driver for Chelsio T4 RNIC") > Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com> > --- > drivers/infiniband/hw/cxgb4/resource.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Applied to for-next, thanks Jason
diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c index 5c95c789f302..e800e8e8bed5 100644 --- a/drivers/infiniband/hw/cxgb4/resource.c +++ b/drivers/infiniband/hw/cxgb4/resource.c @@ -216,7 +216,7 @@ u32 c4iw_get_qpid(struct c4iw_rdev *rdev, struct c4iw_dev_ucontext *uctx) goto out; entry->qid = qid; list_add_tail(&entry->entry, &uctx->cqids); - for (i = qid; i & rdev->qpmask; i++) { + for (i = qid + 1; i & rdev->qpmask; i++) { entry = kmalloc(sizeof(*entry), GFP_KERNEL); if (!entry) goto out;
missing qpid increment leads to skipping few qpids while allocating QP. This eventually leads to adapter running out of qpids after establishing fewer connections than it actually supports. Current patch increments the qpid correctly. Fixes: cfdda9d76436 ("RDMA/cxgb4: Add driver for Chelsio T4 RNIC") Signed-off-by: Potnuri Bharat Teja <bharat@chelsio.com> --- drivers/infiniband/hw/cxgb4/resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)