Patch tested on my ia64 workstation. Works flawlessly.
Thanks,
Émeric
2018-06-11 15:24 GMT+02:00 Takashi Iwai <tiwai@xxxxxxx>:
> On Mon, 11 Jun 2018 10:49:56 +0200,
> Andy Shevchenko wrote:
>>
>> On Mon, 2018-06-11 at 16:04 +0800, jiazhouyang09@xxxxxxxxx wrote:
>> > When snd_ctl_add fails, the lack of error-handling code may
>> > cause unexpected results.
>> >
>> > This patch adds error-handling code after calling snd_ctl_add.
>> >
>>
>> Acked-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>>
>> Though I can't test this (I have FM-only card). Last person who would
>> able to test was Émeric (Cc'ed).
>
> I applied now as this change is pretty safe.
>
>
> thanks,
>
> Takashi
>
>>
>> > Signed-off-by: Zhouyang Jia <jiazhouyang09@xxxxxxxxx>
>> > ---
>> > sound/pci/fm801.c | 16 ++++++++++++----
>> > 1 file changed, 12 insertions(+), 4 deletions(-)
>> >
>> > diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c
>> > index 73a67bc..e3fb9c6 100644
>> > --- a/sound/pci/fm801.c
>> > +++ b/sound/pci/fm801.c
>> > @@ -1068,11 +1068,19 @@ static int snd_fm801_mixer(struct fm801 *chip)
>> > if ((err = snd_ac97_mixer(chip->ac97_bus, &ac97,
>> > &chip->ac97_sec)) < 0)
>> > return err;
>> > }
>> > - for (i = 0; i < FM801_CONTROLS; i++)
>> > - snd_ctl_add(chip->card,
>> > snd_ctl_new1(&snd_fm801_controls[i], chip));
>> > + for (i = 0; i < FM801_CONTROLS; i++) {
>> > + err = snd_ctl_add(chip->card,
>> > + snd_ctl_new1(&snd_fm801_controls[i], chip));
>> > + if (err < 0)
>> > + return err;
>> > + }
>> > if (chip->multichannel) {
>> > - for (i = 0; i < FM801_CONTROLS_MULTI; i++)
>> > - snd_ctl_add(chip->card,
>> > snd_ctl_new1(&snd_fm801_controls_multi[i], chip));
>> > + for (i = 0; i < FM801_CONTROLS_MULTI; i++) {
>> > + err = snd_ctl_add(chip->card,
>> > + snd_ctl_new1(&snd_fm801_controls_mult
>> > i[i], chip));
>> > + if (err < 0)
>> > + return err;
>> > + }
>> > }
>> > return 0;
>> > }
>>
>> --
>> Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
>> Intel Finland Oy
>>
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
