Messages in this thread | | | Date | Thu, 21 Sep 2017 13:15:04 +0300 | From | Rakesh Pandit <> | Subject | Re: [PATCH] lightnvm: pblk: fix error path in pblk_lines_alloc_metadata |
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On Thu, Sep 21, 2017 at 11:56:46AM +0200, Javier González wrote: > > On 20 Sep 2017, at 21.50, Rakesh Pandit <rakesh@tuxera.com> wrote: > > > > Use appropriate memory free calls based on allocation type used and > > also fix number of times free is called if kmalloc fails. > > > > Signed-off-by: Rakesh Pandit <rakesh@tuxera.com> > > --- > > drivers/lightnvm/pblk-init.c | 8 ++++++-- > > 1 file changed, 6 insertions(+), 2 deletions(-) > > > > diff --git a/drivers/lightnvm/pblk-init.c b/drivers/lightnvm/pblk-init.c > > index 7cf4b53..470ef04 100644 > > --- a/drivers/lightnvm/pblk-init.c > > +++ b/drivers/lightnvm/pblk-init.c > > @@ -624,12 +624,16 @@ static int pblk_lines_alloc_metadata(struct pblk *pblk) > > > > fail_free_emeta: > > while (--i >= 0) { > > - vfree(l_mg->eline_meta[i]->buf); > > + if (l_mg->emeta_alloc_type == PBLK_VMALLOC_META) > > + vfree(l_mg->eline_meta[i]->buf); > > + else > > + kfree(l_mg->eline_meta[i]->buf); > > kfree(l_mg->eline_meta[i]); > > } > > > > + i = PBLK_DATA_LINES; > > fail_free_smeta: > > - for (i = 0; i < PBLK_DATA_LINES; i++) > > + while (--i >= 0) > > kfree(l_mg->sline_meta[i]); > > It is safe to use kfree on NULL pointers. No need to do this. You can > either send a new patch, or we can change it when picking it up.
Yes, that would be great if this is adjusted while picking up.
> > > > > return -ENOMEM; > > -- > > 2.5.0 > > Rest looks good. > > > Reviewed-by: Javier González <javier@cnexlabs.com> >
Thanks,
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