lkml.org 
[lkml]   [2016]   [Jun]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] tpm: use devm_add_action_or_reset
On Sun, Jun 12, 2016 at 03:05:29PM +0100, Sudip Mukherjee wrote:
> If devm_add_action() fails we are explicitly calling put_device() to
> free the resources allocated. Lets use the helper
> devm_add_action_or_reset() and return directly in case of error, as we
> know that the cleanup function has been already called by the helper if
> there was any error.
>
> Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>

Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>

/Jarkko

> ---
> drivers/char/tpm/tpm-chip.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
> index 1965dc7..5a2f043 100644
> --- a/drivers/char/tpm/tpm-chip.c
> +++ b/drivers/char/tpm/tpm-chip.c
> @@ -213,11 +213,11 @@ struct tpm_chip *tpmm_chip_alloc(struct device *pdev,
> if (IS_ERR(chip))
> return chip;
>
> - rc = devm_add_action(pdev, (void (*)(void *)) put_device, &chip->dev);
> - if (rc) {
> - put_device(&chip->dev);
> + rc = devm_add_action_or_reset(pdev,
> + (void (*)(void *)) put_device,
> + &chip->dev);
> + if (rc)
> return ERR_PTR(rc);
> - }
>
> dev_set_drvdata(pdev, chip);
>
> --
> 1.9.1
>

\
 
 \ /
  Last update: 2016-06-16 23:01    [W:0.058 / U:1.700 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site