> On Sun, Dec 20, 2020 at 03:05:40PM +0800, Dinghao Liu wrote:
> > When do_ide_setup_pci_device() fails, host allocated
> > by ide_host_alloc() may not have been freed, which
> > leads to memleak.
> >
> > Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
> > ---
> > drivers/ide/setup-pci.c | 8 ++++----
> > 1 file changed, 4 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
> > index fdc8e813170c..c7da5368fcd4 100644
> > --- a/drivers/ide/setup-pci.c
> > +++ b/drivers/ide/setup-pci.c
> > @@ -586,7 +586,7 @@ int ide_pci_init_two(struct pci_dev *dev1, struct
> > pci_dev *dev2,
> > * do_ide_setup_pci_device() on the first device!
> > */
> > if (ret < 0)
> > - goto out_free_bars;
> > + goto out_free_host;
> >
> > /* fixup IRQ */
> > if (ide_pci_is_in_compatibility_mode(pdev[i])) {
> > @@ -597,11 +597,11 @@ int ide_pci_init_two(struct pci_dev *dev1, struct
> > pci_dev *dev2,
> > }
> >
> > ret = ide_host_register(host, d, hws);
> > - if (ret)
> > - ide_host_free(host);
> > - else
> > + if (!ret)
> > goto out;
>
> Maybe
> if (ret)
> goto out_free_host;
>
> return 0;
>
> would be more clear here. But this is just small nit.
>
> >
> > +out_free_host:
> > + ide_host_free(host);
> > out_free_bars:
> > i = n_ports / 2;
> > while (i--)
Thank you for your advice and I will send a new patch soon.
Regards,
Dinghao
