[PATCH v7 2/5] KEYS: trusted: Change -EINVAL to -E2BIG

Stefan Berger stefanb at linux.ibm.com
Wed May 29 01:50:13 UTC 2024



On 5/28/24 17:08, Jarkko Sakkinen wrote:
> Report -E2BIG instead of -EINVAL when too large size for the key blob is
> requested.
> 
> Signed-off-by: Jarkko Sakkinen <jarkko at kernel.org>

Reviewed-by: Stefan Berger <stefanb at linux.ibm.com>

> ---
>   security/keys/trusted-keys/trusted_tpm2.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/security/keys/trusted-keys/trusted_tpm2.c b/security/keys/trusted-keys/trusted_tpm2.c
> index 8b7dd73d94c1..06c8fa7b21ae 100644
> --- a/security/keys/trusted-keys/trusted_tpm2.c
> +++ b/security/keys/trusted-keys/trusted_tpm2.c
> @@ -122,7 +122,7 @@ static int tpm2_key_decode(struct trusted_key_payload *payload,
>   		return ret;
>   
>   	if (ctx.priv_len + ctx.pub_len > MAX_BLOB_SIZE)
> -		return -EINVAL;
> +		return -E2BIG;
>   
>   	blob = kmalloc(ctx.priv_len + ctx.pub_len + 4, GFP_KERNEL);
>   	if (!blob)



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