diff options
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 45 |
1 files changed, 35 insertions, 10 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 8edcee5f034d..387fc73a5c89 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -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; |