diff options
| author | Steve French <sfrench@us.ibm.com> | 2006-06-20 20:36:38 +0000 |
|---|---|---|
| committer | Steve French <sfrench@us.ibm.com> | 2006-06-20 20:36:38 +0000 |
| commit | 75ba632a01d4dc70d0a0f3a92b5ec9b4a3644b2d (patch) | |
| tree | c2f02ee30609d0d69308b4ca80d68d02a5f85552 /drivers/infiniband/hw/mthca/mthca_srq.c | |
| parent | 0fd1ffe0633b4b039b343b753598e6df435e034d (diff) | |
| parent | 25f42b6af09e34c3f92107b36b5aa6edc2fdba2f (diff) | |
Merge with /pub/scm/linux/kernel/git/torvalds/linux-2.6.git
Diffstat (limited to 'drivers/infiniband/hw/mthca/mthca_srq.c')
| -rw-r--r-- | drivers/infiniband/hw/mthca/mthca_srq.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mthca/mthca_srq.c b/drivers/infiniband/hw/mthca/mthca_srq.c index b292fefa3b4..fab417c5cf4 100644 --- a/drivers/infiniband/hw/mthca/mthca_srq.c +++ b/drivers/infiniband/hw/mthca/mthca_srq.c @@ -243,6 +243,7 @@ int mthca_alloc_srq(struct mthca_dev *dev, struct mthca_pd *pd, spin_lock_init(&srq->lock); srq->refcount = 1; init_waitqueue_head(&srq->wait); + mutex_init(&srq->mutex); if (mthca_is_memfree(dev)) mthca_arbel_init_srq_context(dev, pd, srq, mailbox->buf); @@ -371,7 +372,11 @@ int mthca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, if (attr_mask & IB_SRQ_LIMIT) { if (attr->srq_limit > srq->max) return -EINVAL; + + mutex_lock(&srq->mutex); ret = mthca_ARM_SRQ(dev, srq->srqn, attr->srq_limit, &status); + mutex_unlock(&srq->mutex); + if (ret) return ret; if (status) |