diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 19:01:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-19 19:01:59 -0700 |
| commit | 4c84a39c8adba6bf2f829b217e78bfd61478191a (patch) | |
| tree | 0f0f415099cf49d894d65e5120563d30cf1a0fc9 /drivers/infiniband/hw/mthca/mthca_srq.c | |
| parent | d0b952a9837f81cd89e756b1b34293fa6e1cb59d (diff) | |
| parent | 9ead190bfde2a434c74ea604382d08acb2eceef5 (diff) | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (46 commits)
IB/uverbs: Don't serialize with ib_uverbs_idr_mutex
IB/mthca: Make all device methods truly reentrant
IB/mthca: Fix memory leak on modify_qp error paths
IB/uverbs: Factor out common idr code
IB/uverbs: Don't decrement usecnt on error paths
IB/uverbs: Release lock on error path
IB/cm: Use address handle helpers
IB/sa: Add ib_init_ah_from_path()
IB: Add ib_init_ah_from_wc()
IB/ucm: Get rid of duplicate P_Key parameter
IB/srp: Factor out common request reset code
IB/srp: Support SRP rev. 10 targets
[SCSI] srp.h: Add I/O Class values
IB/fmr: Use device's max_map_map_per_fmr attribute in FMR pool.
IB/mthca: Fill in max_map_per_fmr device attribute
IB/ipath: Add client reregister event generation
IB/mthca: Add client reregister event generation
IB: Move struct port_info from ipath to <rdma/ib_smi.h>
IPoIB: Handle client reregister events
IB: Add client reregister event type
...
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) |