1 files changed, 2 insertions, 50 deletions

diff --git a/drivers/infiniband/sw/rxe/rxe_icrc.c b/drivers/infiniband/sw/rxe/rxe_icrc.c
index e03af3012590..76d760fbe7ea 100644
--- a/drivers/infiniband/sw/rxe/rxe_icrc.c
+++ b/drivers/infiniband/sw/rxe/rxe_icrc.c
@@ -10,28 +10,6 @@
 #include "rxe_loc.h"
 
 /**
- * rxe_icrc_init() - Initialize crypto function for computing crc32
- * @rxe: rdma_rxe device object
- *
- * Return: 0 on success else an error
- */
-int rxe_icrc_init(struct rxe_dev *rxe)
-{
-	struct crypto_shash *tfm;
-
-	tfm = crypto_alloc_shash("crc32", 0, 0);
-	if (IS_ERR(tfm)) {
-		pr_warn("failed to init crc32 algorithm err:%ld\n",
-			       PTR_ERR(tfm));
-		return PTR_ERR(tfm);
-	}
-
-	rxe->tfm = tfm;
-
-	return 0;
-}
-
-/**
  * rxe_crc32() - Compute cumulative crc32 for a contiguous segment
  * @rxe: rdma_rxe device object
  * @crc: starting crc32 value from previous segments
@@ -42,23 +20,7 @@ int rxe_icrc_init(struct rxe_dev *rxe)
  */
 static __be32 rxe_crc32(struct rxe_dev *rxe, __be32 crc, void *next, size_t len)
 {
-	__be32 icrc;
-	int err;
-
-	SHASH_DESC_ON_STACK(shash, rxe->tfm);
-
-	shash->tfm = rxe->tfm;
-	*(__be32 *)shash_desc_ctx(shash) = crc;
-	err = crypto_shash_update(shash, next, len);
-	if (unlikely(err)) {
-		pr_warn_ratelimited("failed crc calculation, err: %d\n", err);
-		return (__force __be32)crc32_le((__force u32)crc, next, len);
-	}
-
-	icrc = *(__be32 *)shash_desc_ctx(shash);
-	barrier_data(shash_desc_ctx(shash));
-
-	return icrc;
+	return (__force __be32)crc32_le((__force u32)crc, next, len);
 }
 
 /**
@@ -151,18 +113,8 @@ int rxe_icrc_check(struct sk_buff *skb, struct rxe_pkt_info *pkt)
 				payload_size(pkt) + bth_pad(pkt));
 	icrc = ~icrc;
 
-	if (unlikely(icrc != pkt_icrc)) {
-		if (skb->protocol == htons(ETH_P_IPV6))
-			pr_warn_ratelimited("bad ICRC from %pI6c\n",
-					    &ipv6_hdr(skb)->saddr);
-		else if (skb->protocol == htons(ETH_P_IP))
-			pr_warn_ratelimited("bad ICRC from %pI4\n",
-					    &ip_hdr(skb)->saddr);
-		else
-			pr_warn_ratelimited("bad ICRC from unknown\n");
-
+	if (unlikely(icrc != pkt_icrc))
 		return -EINVAL;
-	}
 
 	return 0;
 }