Re: [patch] nfsd: fix comparison in fh_fsid_match()

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On Wed, Feb 11, 2015 at 04:08:32PM +0300, Dan Carpenter wrote:
> We're supposed to be testing that the fh_fsid's match but because the
> parenthesis are in the wrong place, then we only check the first
> byte.

Thanks, I'll pass this along!

--b.

> 
> Fixes: 9558f2500a20 ('nfsd: add fh_fsid_match helper')
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> 
> diff --git a/fs/nfsd/nfsfh.h b/fs/nfsd/nfsfh.h
> index 84cae20..f229204 100644
> --- a/fs/nfsd/nfsfh.h
> +++ b/fs/nfsd/nfsfh.h
> @@ -200,7 +200,7 @@ static inline bool fh_fsid_match(struct knfsd_fh *fh1, struct knfsd_fh *fh2)
>  {
>  	if (fh1->fh_fsid_type != fh2->fh_fsid_type)
>  		return false;
> -	if (memcmp(fh1->fh_fsid, fh2->fh_fsid, key_len(fh1->fh_fsid_type) != 0))
> +	if (memcmp(fh1->fh_fsid, fh2->fh_fsid, key_len(fh1->fh_fsid_type)) != 0)
>  		return false;
>  	return true;
>  }
--
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