Re: question about fs/jffs2/readinode.c

From: Artem Bityutskiy
Date: Wed May 02 2012 - 08:04:29 EST


On Sat, 2012-04-28 at 07:06 +0200, Julia Lawall wrote:
> The function read_direntry in fs/jffs2/readinode.c contains the following
> code:
>
> err = jffs2_flash_read(c, (ref_offset(ref)) + read,
> rd->nsize - already, &read, &fd->name[already]);
> if (unlikely(read != rd->nsize - already) && likely(!err))
> return -EIO;
>
> if (unlikely(err)) {
> JFFS2_ERROR("read remainder of name: error %d\n", err);
> jffs2_free_full_dirent(fd);
> return -EIO;
> }
>
> Is it intentional that the first if doesn't free fd? At first I thought
> that that might be the case, because what would be the point of having two
> conditionals if they are going to do the same thing. But I can't see why
> fd should not be freed either, so maybe the two conditionals are just
> there to give different error messages?

Hi Julia,

I think this is a bug and thes conditionals can be joined into one.

--
Best Regards,
Artem Bityutskiy

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