diff options
Diffstat (limited to 'drivers/infiniband/hw/ehca/ehca_uverbs.c')
| -rw-r--r-- | drivers/infiniband/hw/ehca/ehca_uverbs.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c index 73db920b694..3031b3bb56f 100644 --- a/drivers/infiniband/hw/ehca/ehca_uverbs.c +++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c @@ -253,16 +253,16 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) u32 rsrc_type = (fileoffset >> 24) & 0xF; /* sq,rq,cmnd_window */ u32 cur_pid = current->tgid; u32 ret; - unsigned long flags; struct ehca_cq *cq; struct ehca_qp *qp; struct ehca_pd *pd; + struct ib_uobject *uobject; switch (q_type) { case 1: /* CQ */ - spin_lock_irqsave(&ehca_cq_idr_lock, flags); + read_lock(&ehca_cq_idr_lock); cq = idr_find(&ehca_cq_idr, idr_handle); - spin_unlock_irqrestore(&ehca_cq_idr_lock, flags); + read_unlock(&ehca_cq_idr_lock); /* make sure this mmap really belongs to the authorized user */ if (!cq) @@ -288,9 +288,9 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) break; case 2: /* QP */ - spin_lock_irqsave(&ehca_qp_idr_lock, flags); + read_lock(&ehca_qp_idr_lock); qp = idr_find(&ehca_qp_idr, idr_handle); - spin_unlock_irqrestore(&ehca_qp_idr_lock, flags); + read_unlock(&ehca_qp_idr_lock); /* make sure this mmap really belongs to the authorized user */ if (!qp) @@ -304,7 +304,8 @@ int ehca_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) return -ENOMEM; } - if (!qp->ib_qp.uobject || qp->ib_qp.uobject->context != context) + uobject = IS_SRQ(qp) ? qp->ib_srq.uobject : qp->ib_qp.uobject; + if (!uobject || uobject->context != context) return -EINVAL; ret = ehca_mmap_qp(vma, qp, rsrc_type); |