At Sat, 3 Sep 2005 00:43:53 +0200,
Jiri Slaby wrote:
>
> Some drivers don't control return values, that can fail.
>
> Generated in 2.6.13-mm1 kernel version.
>
> Signed-off-by: Jiri Slaby <[email protected]>
>
> ali5451/ali5451.c | 3 ++-
> cs46xx/cs46xx_lib.c | 6 ++++--
> via82xx.c | 8 +++++---
> 3 files changed, 11 insertions(+), 6 deletions(-)
>
> diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
> --- a/sound/pci/ali5451/ali5451.c
> +++ b/sound/pci/ali5451/ali5451.c
> @@ -2067,7 +2067,8 @@ static int ali_resume(snd_card_t *card)
> if (! im)
> return 0;
>
> - pci_enable_device(chip->pci);
> + if ((i = pci_enable_device(chip->pci)))
> + return i;
>
> spin_lock_irq(&chip->reg_lock);
>
> diff --git a/sound/pci/cs46xx/cs46xx_lib.c b/sound/pci/cs46xx/cs46xx_lib.c
> --- a/sound/pci/cs46xx/cs46xx_lib.c
> +++ b/sound/pci/cs46xx/cs46xx_lib.c
> @@ -3722,9 +3722,11 @@ static int snd_cs46xx_suspend(snd_card_t
> static int snd_cs46xx_resume(snd_card_t *card)
> {
> cs46xx_t *chip = card->pm_private_data;
> - int amp_saved;
> + int amp_saved, err;
> +
> + if ((err = pci_enable_device(chip->pci)))
> + return err;
>
> - pci_enable_device(chip->pci);
> pci_set_master(chip->pci);
> amp_saved = chip->amplifier;
> chip->amplifier = 0;
> diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
> --- a/sound/pci/via82xx.c
> +++ b/sound/pci/via82xx.c
> @@ -1977,7 +1977,8 @@ static int snd_via82xx_suspend(snd_card_
> chip->capture_src_saved[1] = inb(chip->port + VIA_REG_CAPTURE_CHANNEL + 0x10);
> }
>
> - pci_set_power_state(chip->pci, 3);
> + if ((i = pci_set_power_state(chip->pci, 3)))
> + return i;
> pci_disable_device(chip->pci);
> return 0;
> }
> @@ -1987,8 +1988,9 @@ static int snd_via82xx_resume(snd_card_t
> via82xx_t *chip = card->pm_private_data;
> int i;
>
> - pci_enable_device(chip->pci);
> - pci_set_power_state(chip->pci, 0);
> + if ((i = pci_enable_device(chip->pci)) ||
> + (i = pci_set_power_state(chip->pci, 0)))
> + return i;
>
> snd_via82xx_chip_init(chip);
Wel, these changes don't work as expected in the end because pci
handler doesn't handle the error path in suspend/resume...
Takashi
-
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