Re: [PATCH] crypto: sa2ul - Add check for crypto_aead_setkey

From: Herbert Xu
Date: Fri Nov 17 2023 - 05:29:07 EST


Chen Ni <nichen@xxxxxxxxxxx> wrote:
> Add check for crypto_aead_setkey() and return the error if it fails
> in order to transfer the error.
>
> Fixes: d2c8ac187fc9 ("crypto: sa2ul - Add AEAD algorithm support")
> Signed-off-by: Chen Ni <nichen@xxxxxxxxxxx>
> ---
> drivers/crypto/sa2ul.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/crypto/sa2ul.c b/drivers/crypto/sa2ul.c
> index 6846a8429574..6bac2382e261 100644
> --- a/drivers/crypto/sa2ul.c
> +++ b/drivers/crypto/sa2ul.c
> @@ -1806,6 +1806,7 @@ static int sa_aead_setkey(struct crypto_aead *authenc,
> int cmdl_len;
> struct sa_cmdl_cfg cfg;
> int key_idx;
> + int error;
>
> if (crypto_authenc_extractkeys(&keys, key, keylen) != 0)
> return -EINVAL;
> @@ -1869,7 +1870,9 @@ static int sa_aead_setkey(struct crypto_aead *authenc,
> crypto_aead_set_flags(ctx->fallback.aead,
> crypto_aead_get_flags(authenc) &
> CRYPTO_TFM_REQ_MASK);
> - crypto_aead_setkey(ctx->fallback.aead, key, keylen);
> + error = crypto_aead_setkey(ctx->fallback.aead, key, keylen);
> + if (error)
> + return error;

This should be

return crypto_aead_setkey(ctx->fallback.aead, key, keylen);

Thanks,
--
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt