From: Krzysztof Helt <krzysztof.h1@xxxxx>
If a hardware is not detected there is a kernel crash
due to not initialized snd_miro->aci pointer. This pointer
is initialized after detection of the opti (miro) chip.
This bug was introduced by patches to expose
ACI mikser outside the snd-miro driver.
Signed-off-by: Krzysztof Helt <krzysztof.h1@xxxxx>
---
sound/isa/opti9xx/miro.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/sound/isa/opti9xx/miro.c b/sound/isa/opti9xx/miro.c
index 40b64cd..e374869 100644
--- a/sound/isa/opti9xx/miro.c
+++ b/sound/isa/opti9xx/miro.c
@@ -1229,7 +1229,8 @@ static void snd_card_miro_free(struct snd_card *card)
struct snd_miro *miro = card->private_data;
release_and_free_resource(miro->res_aci_port);
- miro->aci->aci_port = 0;
+ if (miro->aci)
+ miro->aci->aci_port = 0;
release_and_free_resource(miro->res_mc_base);
}
--
1.6.4
----------------------------------------------------------------------
Wygraj pobyt w Alpach dla ca³ej rodziny
Kliknij >>> http://link.interia.pl/f2446
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
