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crypto: chcr - checking for IS_ERR() instead of NULL 

The create_hash_wr() function never returns error pointers.  It returns
NULL on error.

Fixes: 358961d1cd ("crypto: chcr - Added new structure chcr_wr")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Dan Carpenter 2016-12-01 23:49:37 +03:00 committed by Herbert Xu
parent b80609a161
commit 9a97ffd49c
1 changed files with 8 additions and 9 deletions
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17
drivers/crypto/chelsio/chcr_algo.c
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@ -956,9 +956,8 @@ static int chcr_ahash_update(struct ahash_request *req)
req_ctx->result = 0;
req_ctx->data_len += params.sg_len + params.bfr_len;
skb = create_hash_wr(req, &params);
if (IS_ERR(skb))
return PTR_ERR(skb);
if (!skb)
return -ENOMEM;
if (remainder) {
u8 *temp;
@ -1021,8 +1020,8 @@ static int chcr_ahash_final(struct ahash_request *req)
params.more = 0;
}
skb = create_hash_wr(req, &params);
if (IS_ERR(skb))
return PTR_ERR(skb);
if (!skb)
return -ENOMEM;
skb->dev = u_ctx->lldi.ports[0];
set_wr_txq(skb, CPL_PRIORITY_DATA, ctx->tx_channel_id);
@ -1072,8 +1071,8 @@ static int chcr_ahash_finup(struct ahash_request *req)
}
skb = create_hash_wr(req, &params);
if (IS_ERR(skb))
return PTR_ERR(skb);
if (!skb)
return -ENOMEM;
skb->dev = u_ctx->lldi.ports[0];
set_wr_txq(skb, CPL_PRIORITY_DATA, ctx->tx_channel_id);
@ -1123,8 +1122,8 @@ static int chcr_ahash_digest(struct ahash_request *req)
}
skb = create_hash_wr(req, &params);
if (IS_ERR(skb))
return PTR_ERR(skb);
if (!skb)
return -ENOMEM;
skb->dev = u_ctx->lldi.ports[0];
set_wr_txq(skb, CPL_PRIORITY_DATA, ctx->tx_channel_id);