diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c
index 273ffe49525a..0347eed4a167 100644
--- a/drivers/infiniband/hw/cxgb4/mem.c
+++ b/drivers/infiniband/hw/cxgb4/mem.c
@@ -625,7 +625,7 @@ pbl_done:
 	mhp->attr.perms = c4iw_ib_to_tpt_access(acc);
 	mhp->attr.va_fbo = virt;
 	mhp->attr.page_size = shift - 12;
-	mhp->attr.len = (u32) length;
+	mhp->attr.len = length;
 
 	err = register_mem(rhp, php, mhp, shift);
 	if (err)