chip = snd_pcm_substream_chip(substream);
runtime = substream->runtime;
- if (!(pipe = kmalloc(sizeof(struct audiopipe), GFP_KERNEL)))
+ pipe = kzalloc(sizeof(struct audiopipe), GFP_KERNEL);
+ if (!pipe)
return -ENOMEM;
- memset(pipe, 0, sizeof(struct audiopipe));
pipe->index = -1; /* Not configured yet */
/* Set up hw capabilities and contraints */
IRQ Handler
******************************************************************************/
-static irqreturn_t snd_echo_interrupt(int irq, void *dev_id,
- struct pt_regs *regs)
+static irqreturn_t snd_echo_interrupt(int irq, void *dev_id)
{
struct echoaudio *chip = dev_id;
struct snd_pcm_substream *substream;
DE_INIT(("Stopped.\n"));
if (chip->irq >= 0)
- free_irq(chip->irq, (void *)chip);
+ free_irq(chip->irq, chip);
if (chip->dsp_registers)
iounmap(chip->dsp_registers);
chip->dsp_registers = (volatile u32 __iomem *)
ioremap_nocache(chip->dsp_registers_phys, sz);
- if (request_irq(pci->irq, snd_echo_interrupt, SA_INTERRUPT | SA_SHIRQ,
- ECHOCARD_NAME, (void *)chip)) {
+ if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
+ ECHOCARD_NAME, chip)) {
snd_echo_free(chip);
snd_printk(KERN_ERR "cannot grab irq\n");
return -EBUSY;