IB/qib: Fix lockdep splat in qib_alloc_lkey()

[linux.git] / drivers / infiniband / hw / qib / qib_keys.c

diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c
index 81c7b73695d26c4898735b7e58abcd49bca398d6..3b9afccaaade824370f5c0ea0d6d6ceb519e6090 100644 (file)
--- a/drivers/infiniband/hw/qib/qib_keys.c
+++ b/drivers/infiniband/hw/qib/qib_keys.c
@@ -61,7 +61,7 @@ int qib_alloc_lkey(struct qib_mregion *mr, int dma_region)
        if (dma_region) {
                struct qib_mregion *tmr;
 
-               tmr = rcu_dereference(dev->dma_mr);
+               tmr = rcu_access_pointer(dev->dma_mr);
                if (!tmr) {
                        qib_get_mr(mr);
                        rcu_assign_pointer(dev->dma_mr, mr);