Re: [PATCH RFC v2 3/4] firmware: Add support for signature checks

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於 四,2012-11-08 於 18:35 +0100,Takashi Iwai 提到:
> +#ifdef CONFIG_FIRMWARE_SIG
> +static int verify_sig_file(struct firmware_buf *buf, const char
> *path)
> +{
> +       const unsigned long markerlen = sizeof(FIRMWARE_SIG_STRING) -
> 1;
> +       struct file *file;
> +       void *sig_data;
> +       size_t sig_size;
> +       int ret;
> +
> +       file = filp_open(path, O_RDONLY, 0);
> +       if (IS_ERR(file))
> +               return -ENOKEY;

I think there should return '-ENOENT', otherwise the firmware will show
'Invalid firmware signature' even didn't find the sig file.

> +
> +       ret = fw_read_file_contents(file, &sig_data, &sig_size);
> +       fput(file); 

Tested-by: Chun-Yi Lee <jlee@xxxxxxxx>

Thanks a lot!
Joey Lee

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