On 06/09/2018 08:22 PM, Simon Glass wrote:
> Thsi function can fail without freeing all its memory. Fix it.
> 
> Reported-by: Coverity (CID: 131217)
> Signed-off-by: Simon Glass <s...@chromium.org>
> ---
> 
>  lib/rsa/rsa-sign.c | 4 +---
>  1 file changed, 1 insertion(+), 3 deletions(-)
> 
> diff --git a/lib/rsa/rsa-sign.c b/lib/rsa/rsa-sign.c
> index d2788bf79a..2a09d2b19e 100644
> --- a/lib/rsa/rsa-sign.c
> +++ b/lib/rsa/rsa-sign.c
> @@ -667,15 +667,13 @@ static int fdt_add_bignum(void *blob, int noffset, 
> const char *prop_name,
>        * might fail several times

Please, fix the memory leaks above this line too.

Best regards

Heinrich

>        */
>       ret = fdt_setprop(blob, noffset, prop_name, buf, size);
> -     if (ret)
> -             return -FDT_ERR_NOSPACE;
>       free(buf);
>       BN_free(tmp);
>       BN_free(big2);
>       BN_free(big32);
>       BN_free(big2_32);
>  
> -     return ret;
> +     return ret ? -FDT_ERR_NOSPACE : 0;
>  }
>  
>  int rsa_add_verify_data(struct image_sign_info *info, void *keydest)
> 

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