Messages in this thread | | | Date | Fri, 11 Jul 2014 12:06:39 +0200 | From | Takashi Iwai <> | Subject | Re: [PATCH 1/1] ice1712: check if snd card loaded, if not do not proceed |
| |
At Thu, 10 Jul 2014 23:19:37 -0500, Konstantinos Tsimpoukas wrote: > > Just adding a simple if statement, which > verifies if actually card is loaded, if not > does not continue with the execution > of the snd_card_free.
It's already referenced by ice, so a NULL check must be peformed at first. But, basically card is always non-NULL. The remove callback is called only for objects that was properly bound with probe callback. snd_ice1712_probe() always sets the card pointer when it succeeds.
thanks,
Takashi
> Signed-off-by: Konstantinos Tsimpoukas <kostaslinuxxx@gmail.com> > --- > sound/pci/ice1712/ice1712.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c > index d9b9e45..431096b 100644 > --- a/sound/pci/ice1712/ice1712.c > +++ b/sound/pci/ice1712/ice1712.c > @@ -2819,7 +2819,8 @@ static void snd_ice1712_remove(struct pci_dev *pci) > > if (ice->card_info && ice->card_info->chip_exit) > ice->card_info->chip_exit(ice); > - snd_card_free(card); > + if (card) > + snd_card_free(card); > } > > #ifdef CONFIG_PM_SLEEP > -- > 1.9.1 >
| |