Re: [PATCH 2/4] crypto-ixp4xx: Two function calls less in init_ixp_crypto() after error detection

From: Herbert Xu
Date: Tue Nov 17 2015 - 08:47:55 EST


On Sun, Nov 15, 2015 at 07:50:51PM +0100, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sun, 15 Nov 2015 18:28:39 +0100
>
> The dma_pool_destroy() function was called twice with a null pointer
> if a "npe_error" was reported.
>
> This implementation detail could be improved by the introduction
> of another jump label.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/crypto/ixp4xx_crypto.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/drivers/crypto/ixp4xx_crypto.c b/drivers/crypto/ixp4xx_crypto.c
> index e52496a..efe0eca 100644
> --- a/drivers/crypto/ixp4xx_crypto.c
> +++ b/drivers/crypto/ixp4xx_crypto.c
> @@ -509,9 +509,11 @@ static int init_ixp_crypto(struct device *dev)
> npe_error:
> printk(KERN_ERR "%s not responding\n", npe_name(npe_c));
> ret = -EIO;
> + goto release_npe;
> err:
> dma_pool_destroy(ctx_pool);
> dma_pool_destroy(buffer_pool);
> +release_npe:
> npe_release(npe_c);
> return ret;

I think this patch is making the code worse so I'm not applying it.
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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