svcrdma: fix error handling of rdma_alloc_frmr()

ib_alloc_fast_reg_mr() and ib_alloc_fast_reg_page_list() returns
ERR_PTR() and not NULL. Compile tested only.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
index 5151f9f6c573..0cf5e8c27a10 100644
--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
+++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
@@ -730,12 +730,12 @@ static struct svc_rdma_fastreg_mr *rdma_alloc_frmr(struct svcxprt_rdma *xprt)
                 goto err;
 
         mr = ib_alloc_fast_reg_mr(xprt->sc_pd, RPCSVC_MAXPAGES);
-        if (!mr)
+        if (IS_ERR(mr))
                 goto err_free_frmr;
 
         pl = ib_alloc_fast_reg_page_list(xprt->sc_cm_id->device,
                                          RPCSVC_MAXPAGES);
-        if (!pl)
+        if (IS_ERR(pl))
                 goto err_free_mr;
 
         frmr->mr = mr;