diff --git a/drivers/staging/rdma/hfi1/user_sdma.c b/drivers/staging/rdma/hfi1/user_sdma.c
index 2f484195479c8c6dd2b39b7a1f33cc2faf9d527b..d152126a15be34d0f31aacc11b3b701529959375 100644
--- a/drivers/staging/rdma/hfi1/user_sdma.c
+++ b/drivers/staging/rdma/hfi1/user_sdma.c
@@ -345,7 +345,7 @@ static void activate_packet_queue(struct iowait *wait, int reason)
 
 static void sdma_kmem_cache_ctor(void *obj)
 {
-	struct user_sdma_txreq *tx = (struct user_sdma_txreq *)obj;
+	struct user_sdma_txreq *tx = obj;
 
 	memset(tx, 0, sizeof(*tx));
 }