Commit 2d9772ef authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: hda - Add NULL check to all PM ops in hda_intel.c 



Since devptr can be NULL due to asynchronous probe, all PM ops should
have NULL checks at the beginning.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6217e5ed

sound/pci/hda/hda_intel.c

+35 −10
Original line number Diff line number Diff line
@@ -772,10 +772,15 @@ static int azx_suspend(struct device *dev) 
{

	struct pci_dev *pci = to_pci_dev(dev);

	struct snd_card *card = dev_get_drvdata(dev);

	struct azx *chip = card->private_data;

	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);

	struct azx *chip;

	struct hda_intel *hda;

	struct azx_pcm *p;



	if (!card)

		return 0;



	chip = card->private_data;

	hda = container_of(chip, struct hda_intel, chip);

	if (chip->disabled || hda->init_failed)

		return 0;
@@ -806,9 +811,14 @@ static int azx_resume(struct device *dev) 
{

	struct pci_dev *pci = to_pci_dev(dev);

	struct snd_card *card = dev_get_drvdata(dev);

	struct azx *chip = card->private_data;

	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);

	struct azx *chip;

	struct hda_intel *hda;



	if (!card)

		return 0;



	chip = card->private_data;

	hda = container_of(chip, struct hda_intel, chip);

	if (chip->disabled || hda->init_failed)

		return 0;
@@ -844,9 +854,14 @@ static int azx_resume(struct device *dev) 
static int azx_runtime_suspend(struct device *dev)

{

	struct snd_card *card = dev_get_drvdata(dev);

	struct azx *chip = card->private_data;

	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);

	struct azx *chip;

	struct hda_intel *hda;



	if (!card)

		return 0;



	chip = card->private_data;

	hda = container_of(chip, struct hda_intel, chip);

	if (chip->disabled || hda->init_failed)

		return 0;
@@ -869,12 +884,17 @@ static int azx_runtime_suspend(struct device *dev) 
static int azx_runtime_resume(struct device *dev)

{

	struct snd_card *card = dev_get_drvdata(dev);

	struct azx *chip = card->private_data;

	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);

	struct azx *chip;

	struct hda_intel *hda;

	struct hda_bus *bus;

	struct hda_codec *codec;

	int status;



	if (!card)

		return 0;



	chip = card->private_data;

	hda = container_of(chip, struct hda_intel, chip);

	if (chip->disabled || hda->init_failed)

		return 0;
@@ -910,9 +930,14 @@ static int azx_runtime_resume(struct device *dev) 
static int azx_runtime_idle(struct device *dev)

{

	struct snd_card *card = dev_get_drvdata(dev);

	struct azx *chip = card->private_data;

	struct hda_intel *hda = container_of(chip, struct hda_intel, chip);

	struct azx *chip;

	struct hda_intel *hda;



	if (!card)

		return 0;



	chip = card->private_data;

	hda = container_of(chip, struct hda_intel, chip);

	if (chip->disabled || hda->init_failed)

		return 0;