[RESEND PATCH v2] sign-file: Fix incorrect return values check

[Yusong Gao <a869920004@gmail.com>]

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On Tue, Nov 21, 2023 at 7:44 AM Jarkko Sakkinen <jarkko@kernel.org>
wrote:
>
> On Mon Nov 20, 2023 at 3:33 AM EET, Yusong Gao wrote:
> > There are some wrong return values check in sign-file when call
> > OpenSSL
> > API. For example the CMS_final() return 1 for success or 0 for
> > failure.
>
> Why not make it a closed sentence and list the functions that need to
> be
> changed?
>
> > The ERR() check cond is wrong because of the program only check the
> > return value is < 0 instead of <= 0.
> >
>
> Lacking Fixes tag(s). See:
> ttps://www.kernel.org/doc/html/latest/process/submitting-patches.html
>
> > Link:
> > https://www.openssl.org/docs/manmaster/man3/CMS_final.html
> > https://www.openssl.org/docs/manmaster/man3/i2d_CMS_bio_stream.html
> > https://www.openssl.org/docs/manmaster/man3/i2d_PKCS7_bio.html
> > https://www.openssl.org/docs/manmaster/man3/BIO_free.html
>
> Replace with
>
> Link: https://www.openssl.org/docs/manmaster/man3/
>
> BR, Jarkko

Thanks a lot for you comments, I will fix that.

BR, Yusong Gao