From f3e93c7757043cd5d5c4879b8b92effcc7817c81 Mon Sep 17 00:00:00 2001 From: Bryan O'Sullivan Date: Thu, 28 Sep 2006 09:00:04 -0700 Subject: [PATCH] IB/ipath: Count SRQs properly Signed-off-by: Bryan O'Sullivan Signed-off-by: Roland Dreier --- drivers/infiniband/hw/ipath/ipath_srq.c | 23 +++++++++++++++-------- 1 file changed, 15 insertions(+), 8 deletions(-) diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c index 941e866d9517..94033503400c 100644 --- a/drivers/infiniband/hw/ipath/ipath_srq.c +++ b/drivers/infiniband/hw/ipath/ipath_srq.c @@ -104,11 +104,6 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd, u32 sz; struct ib_srq *ret; - if (dev->n_srqs_allocated == ib_ipath_max_srqs) { - ret = ERR_PTR(-ENOMEM); - goto done; - } - if (srq_init_attr->attr.max_wr == 0) { ret = ERR_PTR(-EINVAL); goto done; @@ -180,10 +175,17 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd, spin_lock_init(&srq->rq.lock); srq->rq.wq->head = 0; srq->rq.wq->tail = 0; - srq->rq.max_sge = srq_init_attr->attr.max_sge; srq->limit = srq_init_attr->attr.srq_limit; - dev->n_srqs_allocated++; + spin_lock(&dev->n_srqs_lock); + if (dev->n_srqs_allocated == ib_ipath_max_srqs) { + spin_unlock(&dev->n_srqs_lock); + ret = ERR_PTR(-ENOMEM); + goto bail_wq; + } + + dev->n_srqs_allocated++; + spin_unlock(&dev->n_srqs_lock); ret = &srq->ibsrq; goto done; @@ -351,8 +353,13 @@ int ipath_destroy_srq(struct ib_srq *ibsrq) struct ipath_srq *srq = to_isrq(ibsrq); struct ipath_ibdev *dev = to_idev(ibsrq->device); + spin_lock(&dev->n_srqs_lock); dev->n_srqs_allocated--; - vfree(srq->rq.wq); + spin_unlock(&dev->n_srqs_lock); + if (srq->ip) + kref_put(&srq->ip->ref, ipath_release_mmap_info); + else + vfree(srq->rq.wq); kfree(srq); return 0; -- 2.20.1