diff options
| author |   Bryan O'Sullivan <bos@pathscale.com> | 2006-09-28 09:00:04 -0700 |
|---|---|---|
| committer |   Roland Dreier <rolandd@cisco.com> | 2006-09-28 11:16:35 -0700 |
| commit | f3e93c7757043cd5d5c4879b8b92effcc7817c81 (patch) | |
| tree | 0c0ea60bc3af804f34f400b5f63ac558e1d0c6bf /drivers/infiniband/hw/ipath/ipath_srq.c | |
| parent | IB/ipath: Lock and count allocated CQs properly (diff) | |
| download | linux-dev-f3e93c7757043cd5d5c4879b8b92effcc7817c81.tar.xz linux-dev-f3e93c7757043cd5d5c4879b8b92effcc7817c81.zip | |
IB/ipath: Count SRQs properly
Signed-off-by: Bryan O'Sullivan <bryan.osullivan@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_srq.c')
| -rw-r--r-- | drivers/infiniband/hw/ipath/ipath_srq.c | 23 |
1 files 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; |