From: Yeshaswi M R Gowda <yeshaswi@chelsio.com>
Date: Sun, 8 Oct 2017 13:37:19 +0530
Subject: crypto: chelsio - Check error code with IS_ERR macro
Patch-mainline: v4.15-rc1
Git-commit: 40cdbe1a1bd989b608f86dbdc5e83c6ba777961b
References: bsc#1097585 bsc#1097586 bsc#1097587 bsc#1097588 bsc#1097583 bsc#1097584

Check and return proper error code.

Signed-off-by: Jitendra Lulla <jlulla@chelsio.com>
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/crypto/chelsio/chcr_algo.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -1455,8 +1455,8 @@ static int chcr_ahash_update(struct ahas
 	req_ctx->result = 0;
 	req_ctx->data_len += params.sg_len + params.bfr_len;
 	skb = create_hash_wr(req, &params);
-	if (!skb)
-		return -ENOMEM;
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
 
 	if (remainder) {
 		u8 *temp;
@@ -1519,8 +1519,8 @@ static int chcr_ahash_final(struct ahash
 		params.more = 0;
 	}
 	skb = create_hash_wr(req, &params);
-	if (!skb)
-		return -ENOMEM;
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
 
 	skb->dev = u_ctx->lldi.ports[0];
 	set_wr_txq(skb, CPL_PRIORITY_DATA, ctx->tx_qidx);
@@ -1570,8 +1570,8 @@ static int chcr_ahash_finup(struct ahash
 	}
 
 	skb = create_hash_wr(req, &params);
-	if (!skb)
-		return -ENOMEM;
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
 
 	skb->dev = u_ctx->lldi.ports[0];
 	set_wr_txq(skb, CPL_PRIORITY_DATA, ctx->tx_qidx);
@@ -1621,8 +1621,8 @@ static int chcr_ahash_digest(struct ahas
 	}
 
 	skb = create_hash_wr(req, &params);
-	if (!skb)
-		return -ENOMEM;
+	if (IS_ERR(skb))
+		return PTR_ERR(skb);
 
 	skb->dev = u_ctx->lldi.ports[0];
 	set_wr_txq(skb, CPL_PRIORITY_DATA, ctx->tx_qidx);