linux-ext4 - Re: [PATCH v2 5/7] ext4: fix up test_dummy_encryption handling for new mount API

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Date:   Fri, 13 May 2022 14:59:57 -0700
From:   Eric Biggers <ebiggers@...nel.org>
To:     Ritesh Harjani <ritesh.list@...il.com>
Cc:     linux-fscrypt@...r.kernel.org, linux-ext4@...r.kernel.org,
        linux-f2fs-devel@...ts.sourceforge.net,
        Lukas Czerner <lczerner@...hat.com>,
        Theodore Ts'o <tytso@....edu>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Jeff Layton <jlayton@...nel.org>
Subject: Re: [PATCH v2 5/7] ext4: fix up test_dummy_encryption handling for
 new mount API

On Fri, May 13, 2022 at 04:37:41PM +0530, Ritesh Harjani wrote:
> > @@ -2623,10 +2609,11 @@ static int parse_apply_sb_mount_options(struct super_block *sb,
> >  	if (s_ctx->spec & EXT4_SPEC_JOURNAL_IOPRIO)
> >  		m_ctx->journal_ioprio = s_ctx->journal_ioprio;
> >
> > -	ret = ext4_apply_options(fc, sb);
> > +	ext4_apply_options(fc, sb);
> > +	ret = 0;
> >
> >  out_free:
> > -	kfree(s_ctx);
> > +	__ext4_fc_free(s_ctx);
> 
> I think we can still call ext4_fc_free(fc) and we don't need __ext4_fc_free().
> Right?
> 

Yes, you're right.  I might have missed that fc->fs_private was being set above.
I was also a little lazy here; the part below 'out_free:' should be a separate
patch since it also fixes a memory leak of s_qf_names.  I'll fix that up.

- Eric