Messages in this thread Patch in this message | | | Date | Thu, 9 Jun 2022 14:43:50 +0200 | From | Johan Hovold <> | Subject | Re: [PATCH] USB: serial: Remove redundant NULL check before release_firmware() call |
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On Mon, Jun 06, 2022 at 01:43:15AM +0000, cgel.zte@gmail.com wrote: > From: Minghao Chi <chi.minghao@zte.com.cn> > > release_firmware() checks for NULL pointers internally so checking > before calling it is redundant. > > Reported-by: Zeal Robot <zealci@zte.com.cn>
Cleanups do not deserve a Reported-by tag, and neither do reports that are never posted to the mailing lists.
> Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn> > --- > drivers/usb/serial/mxuport.c | 3 +-- > 1 file changed, 1 insertion(+), 2 deletions(-) > > diff --git a/drivers/usb/serial/mxuport.c b/drivers/usb/serial/mxuport.c > index eb45a9b0005c..eb9090ab900f 100644 > --- a/drivers/usb/serial/mxuport.c > +++ b/drivers/usb/serial/mxuport.c > @@ -1109,8 +1109,7 @@ static int mxuport_probe(struct usb_serial *serial, > */ > usb_set_serial_data(serial, (void *)id->driver_info); > out: > - if (fw_p) > - release_firmware(fw_p); > + release_firmware(fw_p);
I think keeping this check is preferred here as it makes the intent of code more clear (and you don't have to check the definition of release_firmware() to make sure it's safe to pass in NULL).
> return err; > }
Johan
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