From: Krzysztof Helt <krzysztof.h1@xxxxx>
There is a missing pnp_request_card_device() call
for cs4232 card. The acard->wss pointer is left
uninitialized which leads to crash during detection.
Signed-off-by: Krzysztof Helt <krzysztof.h1@xxxxx>
---
This bug was found in the 2.6.26-git9 kernel.
Please compare the snd_card_cs4232_pnp() and
the snd_card_cs423x_pnpc().
--- linux-2.6.26/sound/isa/cs423x/cs4236.c~ 2008-07-13 23:51:29.000000000 +0200
+++ linux-2.6.26/sound/isa/cs423x/cs4236.c 2008-07-22 23:41:56.010942922 +0200
@@ -325,6 +325,9 @@ static int __devinit snd_cs423x_pnp_init
static int __devinit snd_card_cs4232_pnp(int dev, struct snd_card_cs4236 *acard,
struct pnp_dev *pdev)
{
+ acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
+ if (acard->wss == NULL)
+ return -EBUSY;
if (snd_cs423x_pnp_init_wss(dev, acard->wss) < 0)
return -EBUSY;
cport[dev] = -1;
----------------------------------------------------------------------
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