RDMA/ocrdma: Fix check for NULL instead of IS_ERR

The ocrdma_alloc_lkey() function never returns NULL pointers -- it
returns ERR_PTRs.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
index eb55c80fa7d33f38de9d44f8ac75381b22a071d0..0d1872faa6ab3ab2351138150dba03f6123ef906 100644 (file)
--- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
@@ -486,8 +486,8 @@ struct ib_mr *ocrdma_get_dma_mr(struct ib_pd *ibpd, int acc)
        struct ocrdma_mr *mr;
 
        mr = ocrdma_alloc_lkey(ibpd, acc, 0, OCRDMA_ADDR_CHECK_DISABLE);
-       if (!mr)
-               return ERR_PTR(-ENOMEM);
+       if (IS_ERR(mr))
+               return ERR_CAST(mr);
 
        return &mr->ibmr;
 }