Am 05.03.2014 12:07, schrieb Dan Carpenter:
> There are some places where we dereference "chip" in the error message
> but we've already freed it.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
>
> diff --git a/sound/pci/echoaudio/echoaudio.c b/sound/pci/echoaudio/echoaudio.c
> index 166ec0c120d4..9f10c9e0df5e 100644
> --- a/sound/pci/echoaudio/echoaudio.c
> +++ b/sound/pci/echoaudio/echoaudio.c
> @@ -1990,8 +1990,8 @@ static int snd_echo_create(struct snd_card *card,
>
> if ((chip->iores = request_mem_region(chip->dsp_registers_phys, sz,
> ECHOCARD_NAME)) == NULL) {
this should read:
chip->iores = request_mem_region(chip->dsp_registers_phys, sz,ECHOCARD_NAME);
if (chip->iores == NULL) {
re,
wh
> - snd_echo_free(chip);
> dev_err(chip->card->dev, "cannot get memory region\n");
> + snd_echo_free(chip);
> return -EBUSY;
> }
> chip->dsp_registers = (volatile u32 __iomem *)
> @@ -1999,8 +1999,8 @@ static int snd_echo_create(struct snd_card *card,
>
> if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
> KBUILD_MODNAME, chip)) {
> - snd_echo_free(chip);
> dev_err(chip->card->dev, "cannot grab irq\n");
> + snd_echo_free(chip);
> return -EBUSY;
> }
> chip->irq = pci->irq;
> @@ -2012,8 +2012,8 @@ static int snd_echo_create(struct snd_card *card,
> if (snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(chip->pci),
> sizeof(struct comm_page),
> &chip->commpage_dma_buf) < 0) {
> - snd_echo_free(chip);
> dev_err(chip->card->dev, "cannot allocate the comm page\n");
> + snd_echo_free(chip);
> return -ENOMEM;
> }
> chip->comm_page_phys = chip->commpage_dma_buf.addr;
> @@ -2291,8 +2291,8 @@ static int snd_echo_resume(struct device *dev)
>
> if (request_irq(pci->irq, snd_echo_interrupt, IRQF_SHARED,
> KBUILD_MODNAME, chip)) {
> - snd_echo_free(chip);
> dev_err(chip->card->dev, "cannot grab irq\n");
> + snd_echo_free(chip);
> return -EBUSY;
> }
> chip->irq = pci->irq;
> --
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