Re: [patch] crypto: chcr - checking for IS_ERR() instead of NULL

[Harsh Jain <Harsh@xxxxxxxxxxx>]

On 02-12-2016 02:19, Dan Carpenter wrote:
> The create_hash_wr() function never returns error pointers.  It returns
> NULL on error.
Will fix the same, Thanks
>
> Fixes: 358961d1cd1e ("crypto: chcr - Added new structure chcr_wr")
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
> index 32361dd..2ed1e24 100644
> --- a/drivers/crypto/chelsio/chcr_algo.c
> +++ b/drivers/crypto/chelsio/chcr_algo.c
> @@ -958,9 +958,8 @@ 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;
> @@ -1023,8 +1022,8 @@ 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);
> @@ -1074,8 +1073,8 @@ 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);
> @@ -1125,8 +1124,8 @@ 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);

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