On Wed, Jul 20, 2022 at 3:46 PM Christophe JAILLET
<christophe.jaillet@xxxxxxxxxx> wrote:
>
> Le 20/07/2022 à 09:23, Dongliang Mu a écrit :
> > From: Dongliang Mu <mudongliangabcd-Re5JQEeQqe8AvxtiuMwx3w@xxxxxxxxxxxxxxxx>
> >
> > The function tv_probe does not need to invoke kfree when the
> > allocation fails. So let's simplify the code of tv_probe.
> > Another change is to remove a redundant space.
> >
> > Signed-off-by: Dongliang Mu <mudongliangabcd-Re5JQEeQqe8AvxtiuMwx3w@xxxxxxxxxxxxxxxx>
> > ---
> > drivers/usb/misc/trancevibrator.c | 13 +++----------
> > 1 file changed, 3 insertions(+), 10 deletions(-)
> >
> > diff --git a/drivers/usb/misc/trancevibrator.c b/drivers/usb/misc/trancevibrator.c
> > index 26baba3ab7d7..30d4d774d448 100644
> > --- a/drivers/usb/misc/trancevibrator.c
> > +++ b/drivers/usb/misc/trancevibrator.c
> > @@ -84,29 +84,22 @@ static int tv_probe(struct usb_interface *interface,
> > {
> > struct usb_device *udev = interface_to_usbdev(interface);
> > struct trancevibrator *dev;
> > - int retval;
> >
> > dev = kzalloc(sizeof(struct trancevibrator), GFP_KERNEL);
> > - if (!dev) {
> > - retval = -ENOMEM;
> > - goto error;
> > - }
> > + if (!dev)
> > + return -ENOMEM;
> >
> > dev->udev = usb_get_dev(udev);
> > usb_set_intfdata(interface, dev);
> >
> > return 0;
>
> Hi,
>
> looks like:
>
> error:
> kfree(dev);
> return retval;
>
> at the end of the function can be removed as-well.
>
My patch actually removes them.
> Just my 2c.
>
> CJ
