IB: convert from semaphores to mutexes

semaphore to mutex conversion by Ingo and Arjan's script.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
[ Sanity-checked on real IB hardware ]
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 75 insertions, 75 deletions

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 554c2057b7c..407b6284d7d 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -67,7 +67,7 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
 
         if (file->ucontext) {
                 ret = -EINVAL;
@@ -119,7 +119,7 @@ ssize_t ib_uverbs_get_context(struct ib_uverbs_file *file,
 
         fd_install(resp.async_fd, filp);
 
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
         return in_len;
 
@@ -131,7 +131,7 @@ err_free:
         ibdev->dealloc_ucontext(ucontext);
 
 err:
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
         return ret;
 }
 
@@ -290,7 +290,7 @@ ssize_t ib_uverbs_alloc_pd(struct ib_uverbs_file *file,
         pd->uobject = uobj;
         atomic_set(&pd->usecnt, 0);
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
 retry:
         if (!idr_pre_get(&ib_uverbs_pd_idr, GFP_KERNEL)) {
@@ -314,11 +314,11 @@ retry:
                 goto err_idr;
         }
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_add_tail(&uobj->list, &file->ucontext->pd_list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return in_len;
 
@@ -326,7 +326,7 @@ err_idr:
         idr_remove(&ib_uverbs_pd_idr, uobj->id);
 
 err_up:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
         ib_dealloc_pd(pd);
 
 err:
@@ -346,7 +346,7 @@ ssize_t ib_uverbs_dealloc_pd(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle);
         if (!pd || pd->uobject->context != file->ucontext)
@@ -360,14 +360,14 @@ ssize_t ib_uverbs_dealloc_pd(struct ib_uverbs_file *file,
 
         idr_remove(&ib_uverbs_pd_idr, cmd.pd_handle);
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_del(&uobj->list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
         kfree(uobj);
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -426,7 +426,7 @@ ssize_t ib_uverbs_reg_mr(struct ib_uverbs_file *file,
 
         obj->umem.virt_base = cmd.hca_va;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle);
         if (!pd || pd->uobject->context != file->ucontext) {
@@ -476,11 +476,11 @@ retry:
                 goto err_idr;
         }
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_add_tail(&obj->uobject.list, &file->ucontext->mr_list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return in_len;
 
@@ -492,7 +492,7 @@ err_unreg:
         atomic_dec(&pd->usecnt);
 
 err_up:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         ib_umem_release(file->device->ib_dev, &obj->umem);
 
@@ -513,7 +513,7 @@ ssize_t ib_uverbs_dereg_mr(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         mr = idr_find(&ib_uverbs_mr_idr, cmd.mr_handle);
         if (!mr || mr->uobject->context != file->ucontext)
@@ -527,15 +527,15 @@ ssize_t ib_uverbs_dereg_mr(struct ib_uverbs_file *file,
 
         idr_remove(&ib_uverbs_mr_idr, cmd.mr_handle);
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_del(&memobj->uobject.list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
         ib_umem_release(file->device->ib_dev, &memobj->umem);
         kfree(memobj);
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -628,7 +628,7 @@ ssize_t ib_uverbs_create_cq(struct ib_uverbs_file *file,
         cq->cq_context    = ev_file;
         atomic_set(&cq->usecnt, 0);
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
 retry:
         if (!idr_pre_get(&ib_uverbs_cq_idr, GFP_KERNEL)) {
@@ -653,11 +653,11 @@ retry:
                 goto err_idr;
         }
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_add_tail(&uobj->uobject.list, &file->ucontext->cq_list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return in_len;
 
@@ -665,7 +665,7 @@ err_idr:
         idr_remove(&ib_uverbs_cq_idr, uobj->uobject.id);
 
 err_up:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
         ib_destroy_cq(cq);
 
 err:
@@ -701,7 +701,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file,
                 goto out_wc;
         }
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
         cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle);
         if (!cq || cq->uobject->context != file->ucontext) {
                 ret = -EINVAL;
@@ -731,7 +731,7 @@ ssize_t ib_uverbs_poll_cq(struct ib_uverbs_file *file,
                 ret = -EFAULT;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
         kfree(resp);
 
 out_wc:
@@ -750,14 +750,14 @@ ssize_t ib_uverbs_req_notify_cq(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
         cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle);
         if (cq && cq->uobject->context == file->ucontext) {
                 ib_req_notify_cq(cq, cmd.solicited_only ?
                                         IB_CQ_SOLICITED : IB_CQ_NEXT_COMP);
                 ret = in_len;
         }
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret;
 }
@@ -779,7 +779,7 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file,
 
         memset(&resp, 0, sizeof resp);
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         cq = idr_find(&ib_uverbs_cq_idr, cmd.cq_handle);
         if (!cq || cq->uobject->context != file->ucontext)
@@ -795,9 +795,9 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file,
 
         idr_remove(&ib_uverbs_cq_idr, cmd.cq_handle);
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_del(&uobj->uobject.list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
         ib_uverbs_release_ucq(file, ev_file, uobj);
 
@@ -811,7 +811,7 @@ ssize_t ib_uverbs_destroy_cq(struct ib_uverbs_file *file,
                 ret = -EFAULT;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -845,7 +845,7 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
         if (!uobj)
                 return -ENOMEM;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         pd  = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle);
         scq = idr_find(&ib_uverbs_cq_idr, cmd.send_cq_handle);
@@ -930,11 +930,11 @@ retry:
                 goto err_idr;
         }
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_add_tail(&uobj->uevent.uobject.list, &file->ucontext->qp_list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return in_len;
 
@@ -950,7 +950,7 @@ err_destroy:
                 atomic_dec(&attr.srq->usecnt);
 
 err_up:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         kfree(uobj);
         return ret;
@@ -972,7 +972,7 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file,
         if (!attr)
                 return -ENOMEM;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
         if (!qp || qp->uobject->context != file->ucontext) {
@@ -1033,7 +1033,7 @@ ssize_t ib_uverbs_modify_qp(struct ib_uverbs_file *file,
         ret = in_len;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
         kfree(attr);
 
         return ret;
@@ -1054,7 +1054,7 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file,
 
         memset(&resp, 0, sizeof resp);
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
         if (!qp || qp->uobject->context != file->ucontext)
@@ -1073,9 +1073,9 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file,
 
         idr_remove(&ib_uverbs_qp_idr, cmd.qp_handle);
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_del(&uobj->uevent.uobject.list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
         ib_uverbs_release_uevent(file, &uobj->uevent);
 
@@ -1088,7 +1088,7 @@ ssize_t ib_uverbs_destroy_qp(struct ib_uverbs_file *file,
                 ret = -EFAULT;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -1119,7 +1119,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file,
         if (!user_wr)
                 return -ENOMEM;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
         if (!qp || qp->uobject->context != file->ucontext)
@@ -1224,7 +1224,7 @@ ssize_t ib_uverbs_post_send(struct ib_uverbs_file *file,
                 ret = -EFAULT;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         while (wr) {
                 next = wr->next;
@@ -1341,7 +1341,7 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file,
         if (IS_ERR(wr))
                 return PTR_ERR(wr);
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
         if (!qp || qp->uobject->context != file->ucontext)
@@ -1362,7 +1362,7 @@ ssize_t ib_uverbs_post_recv(struct ib_uverbs_file *file,
                 ret = -EFAULT;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         while (wr) {
                 next = wr->next;
@@ -1392,7 +1392,7 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file,
         if (IS_ERR(wr))
                 return PTR_ERR(wr);
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle);
         if (!srq || srq->uobject->context != file->ucontext)
@@ -1413,7 +1413,7 @@ ssize_t ib_uverbs_post_srq_recv(struct ib_uverbs_file *file,
                 ret = -EFAULT;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         while (wr) {
                 next = wr->next;
@@ -1446,7 +1446,7 @@ ssize_t ib_uverbs_create_ah(struct ib_uverbs_file *file,
         if (!uobj)
                 return -ENOMEM;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         pd = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle);
         if (!pd || pd->uobject->context != file->ucontext) {
@@ -1498,11 +1498,11 @@ retry:
                 goto err_idr;
         }
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_add_tail(&uobj->list, &file->ucontext->ah_list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return in_len;
 
@@ -1513,7 +1513,7 @@ err_destroy:
         ib_destroy_ah(ah);
 
 err_up:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         kfree(uobj);
         return ret;
@@ -1530,7 +1530,7 @@ ssize_t ib_uverbs_destroy_ah(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         ah = idr_find(&ib_uverbs_ah_idr, cmd.ah_handle);
         if (!ah || ah->uobject->context != file->ucontext)
@@ -1544,14 +1544,14 @@ ssize_t ib_uverbs_destroy_ah(struct ib_uverbs_file *file,
 
         idr_remove(&ib_uverbs_ah_idr, cmd.ah_handle);
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_del(&uobj->list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
         kfree(uobj);
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -1569,7 +1569,7 @@ ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
         if (!qp || qp->uobject->context != file->ucontext)
@@ -1602,7 +1602,7 @@ ssize_t ib_uverbs_attach_mcast(struct ib_uverbs_file *file,
                 kfree(mcast);
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -1620,7 +1620,7 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         qp = idr_find(&ib_uverbs_qp_idr, cmd.qp_handle);
         if (!qp || qp->uobject->context != file->ucontext)
@@ -1641,7 +1641,7 @@ ssize_t ib_uverbs_detach_mcast(struct ib_uverbs_file *file,
                 }
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -1673,7 +1673,7 @@ ssize_t ib_uverbs_create_srq(struct ib_uverbs_file *file,
         if (!uobj)
                 return -ENOMEM;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         pd  = idr_find(&ib_uverbs_pd_idr, cmd.pd_handle);
 
@@ -1730,11 +1730,11 @@ retry:
                 goto err_idr;
         }
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_add_tail(&uobj->uobject.list, &file->ucontext->srq_list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return in_len;
 
@@ -1746,7 +1746,7 @@ err_destroy:
         atomic_dec(&pd->usecnt);
 
 err_up:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         kfree(uobj);
         return ret;
@@ -1764,7 +1764,7 @@ ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         srq = idr_find(&ib_uverbs_srq_idr, cmd.srq_handle);
         if (!srq || srq->uobject->context != file->ucontext) {
@@ -1778,7 +1778,7 @@ ssize_t ib_uverbs_modify_srq(struct ib_uverbs_file *file,
         ret = ib_modify_srq(srq, &attr, cmd.attr_mask);
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }
@@ -1796,7 +1796,7 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file,
         if (copy_from_user(&cmd, buf, sizeof cmd))
                 return -EFAULT;
 
-        down(&ib_uverbs_idr_mutex);
+        mutex_lock(&ib_uverbs_idr_mutex);
 
         memset(&resp, 0, sizeof resp);
 
@@ -1812,9 +1812,9 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file,
 
         idr_remove(&ib_uverbs_srq_idr, cmd.srq_handle);
 
-        down(&file->mutex);
+        mutex_lock(&file->mutex);
         list_del(&uobj->uobject.list);
-        up(&file->mutex);
+        mutex_unlock(&file->mutex);
 
         ib_uverbs_release_uevent(file, uobj);
 
@@ -1827,7 +1827,7 @@ ssize_t ib_uverbs_destroy_srq(struct ib_uverbs_file *file,
                 ret = -EFAULT;
 
 out:
-        up(&ib_uverbs_idr_mutex);
+        mutex_unlock(&ib_uverbs_idr_mutex);
 
         return ret ? ret : in_len;
 }