RDMA/uverbs: Check ODP in ib_check_mr_access() as well

[linux-2.6-microblaze.git] / include / rdma / ib_verbs.h

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 7bee8ab..4fcbc6d 100644 (file)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -4183,7 +4183,8 @@ struct ib_xrcd *ib_alloc_xrcd_user(struct ib_device *device,
                                   struct inode *inode, struct ib_udata *udata);
 int ib_dealloc_xrcd_user(struct ib_xrcd *xrcd, struct ib_udata *udata);
 
-static inline int ib_check_mr_access(int flags)
+static inline int ib_check_mr_access(struct ib_device *ib_dev,
+                                    unsigned int flags)
 {
        /*
         * Local write permission is required if remote write or
@@ -4196,6 +4197,9 @@ static inline int ib_check_mr_access(int flags)
        if (flags & ~IB_ACCESS_SUPPORTED)
                return -EINVAL;
 
+       if (flags & IB_ACCESS_ON_DEMAND &&
+           !(ib_dev->attrs.device_cap_flags & IB_DEVICE_ON_DEMAND_PAGING))
+               return -EINVAL;
        return 0;
 }