From d7ba506b00ea7b46c8eb3288ab8fc7437d13b7ad Mon Sep 17 00:00:00 2001 From: Potnuri Bharat Teja Date: Thu, 15 Apr 2021 20:44:22 +0530 Subject: [PATCH] RDMA/cxgb4: add missing qpid increment [ Upstream commit 3a6684385928d00b29acac7658a5ae1f2a44494c ] 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") Link: https://lore.kernel.org/r/20210415151422.9139-1-bharat@chelsio.com Signed-off-by: Potnuri Bharat Teja Signed-off-by: Jason Gunthorpe Signed-off-by: Sasha Levin --- drivers/infiniband/hw/cxgb4/resource.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/infiniband/hw/cxgb4/resource.c b/drivers/infiniband/hw/cxgb4/resource.c index 5c95c789f302d..e800e8e8bed5a 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; -- 2.51.0