aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/core/uverbs_cmd.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/core/uverbs_cmd.c')
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c66
1 files changed, 35 insertions, 31 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 85231e2bdeef..ad750f3c6ca0 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -1423,13 +1423,6 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
}
device = xrcd->device;
} else {
- pd = idr_read_pd(cmd.pd_handle, file->ucontext);
- scq = idr_read_cq(cmd.send_cq_handle, file->ucontext, 0);
- if (!pd || !scq) {
- ret = -EINVAL;
- goto err_put;
- }
-
if (cmd.qp_type == IB_QPT_XRC_INI) {
cmd.max_recv_wr = cmd.max_recv_sge = 0;
} else {
@@ -1440,13 +1433,24 @@ ssize_t ib_uverbs_create_qp(struct ib_uverbs_file *file,
goto err_put;
}
}
- rcq = (cmd.recv_cq_handle == cmd.send_cq_handle) ?
- scq : idr_read_cq(cmd.recv_cq_handle, file->ucontext, 1);
- if (!rcq) {
- ret = -EINVAL;
- goto err_put;
+
+ if (cmd.recv_cq_handle != cmd.send_cq_handle) {
+ rcq = idr_read_cq(cmd.recv_cq_handle, file->ucontext, 0);
+ if (!rcq) {
+ ret = -EINVAL;
+ goto err_put;
+ }
}
}
+
+ scq = idr_read_cq(cmd.send_cq_handle, file->ucontext, !!rcq);
+ rcq = rcq ?: scq;
+ pd = idr_read_pd(cmd.pd_handle, file->ucontext);
+ if (!pd || !scq) {
+ ret = -EINVAL;
+ goto err_put;
+ }
+
device = pd->device;
}
@@ -2484,27 +2488,27 @@ static int __uverbs_create_xsrq(struct ib_uverbs_file *file,
init_uobj(&obj->uevent.uobject, cmd->user_handle, file->ucontext, &srq_lock_class);
down_write(&obj->uevent.uobject.mutex);
- pd = idr_read_pd(cmd->pd_handle, file->ucontext);
- if (!pd) {
- ret = -EINVAL;
- goto err;
- }
-
if (cmd->srq_type == IB_SRQT_XRC) {
- attr.ext.xrc.cq = idr_read_cq(cmd->cq_handle, file->ucontext, 0);
- if (!attr.ext.xrc.cq) {
- ret = -EINVAL;
- goto err_put_pd;
- }
-
attr.ext.xrc.xrcd = idr_read_xrcd(cmd->xrcd_handle, file->ucontext, &xrcd_uobj);
if (!attr.ext.xrc.xrcd) {
ret = -EINVAL;
- goto err_put_cq;
+ goto err;
}
obj->uxrcd = container_of(xrcd_uobj, struct ib_uxrcd_object, uobject);
atomic_inc(&obj->uxrcd->refcnt);
+
+ attr.ext.xrc.cq = idr_read_cq(cmd->cq_handle, file->ucontext, 0);
+ if (!attr.ext.xrc.cq) {
+ ret = -EINVAL;
+ goto err_put_xrcd;
+ }
+ }
+
+ pd = idr_read_pd(cmd->pd_handle, file->ucontext);
+ if (!pd) {
+ ret = -EINVAL;
+ goto err_put_cq;
}
attr.event_handler = ib_uverbs_srq_event_handler;
@@ -2581,17 +2585,17 @@ err_destroy:
ib_destroy_srq(srq);
err_put:
- if (cmd->srq_type == IB_SRQT_XRC) {
- atomic_dec(&obj->uxrcd->refcnt);
- put_uobj_read(xrcd_uobj);
- }
+ put_pd_read(pd);
err_put_cq:
if (cmd->srq_type == IB_SRQT_XRC)
put_cq_read(attr.ext.xrc.cq);
-err_put_pd:
- put_pd_read(pd);
+err_put_xrcd:
+ if (cmd->srq_type == IB_SRQT_XRC) {
+ atomic_dec(&obj->uxrcd->refcnt);
+ put_uobj_read(xrcd_uobj);
+ }
err:
put_uobj_write(&obj->uevent.uobject);