Re: [PATCH 2/2] tmpfs: fix mempolicy object leaks

[Andrew Morton]

On Wed, 20 Feb 2013 12:26:26 -0800 (PST)
Hugh Dickins <hughd@xxxxxxxxxx> wrote:

> > @@ -2463,19 +2464,23 @@ static int shmem_parse_options(char *options, struct shmem_sb_info *sbinfo,
> >  			if (!gid_valid(sbinfo->gid))
> >  				goto bad_val;
> >  		} else if (!strcmp(this_char,"mpol")) {
> > -			if (mpol_parse_str(value, &sbinfo->mpol))
> > +			mpol_put(mpol);
> 
> I haven't tested to check, but don't we need
> 			mpol = NULL;
> here, in case the new option turns out to be bad?

We do.
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