public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
* [PATCH] regulator: core: Always use return value when regulator_dev_lookup() fails
@ 2013-09-23 15:14 Mark Brown
  2013-09-23 15:20 ` Thierry Reding
  0 siblings, 1 reply; 2+ messages in thread
From: Mark Brown @ 2013-09-23 15:14 UTC (permalink / raw)
  To: Liam Girdwood, Thierry Reding; +Cc: linux-kernel, linaro-kernel, Mark Brown

From: Mark Brown <broonie@linaro.org>

Ensure that the return value is always set when we return now that the
logic has changed for regulator_get_optional() so we don't get missing
codes leaking out.

Reported-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
---
 drivers/regulator/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index fabbf32..6333080 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -1281,12 +1281,13 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
 	if (rdev)
 		goto found;
 
+	regulator = ERR_PTR(ret);
+
 	/*
 	 * If we have return value from dev_lookup fail, we do not expect to
 	 * succeed, so, quit with appropriate error value
 	 */
 	if (ret && ret != -ENODEV) {
-		regulator = ERR_PTR(ret);
 		goto out;
 	}
 
-- 
1.8.4.rc3


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] regulator: core: Always use return value when regulator_dev_lookup() fails
  2013-09-23 15:14 [PATCH] regulator: core: Always use return value when regulator_dev_lookup() fails Mark Brown
@ 2013-09-23 15:20 ` Thierry Reding
  0 siblings, 0 replies; 2+ messages in thread
From: Thierry Reding @ 2013-09-23 15:20 UTC (permalink / raw)
  To: Mark Brown; +Cc: Liam Girdwood, linux-kernel, linaro-kernel, Mark Brown

[-- Attachment #1: Type: text/plain, Size: 1186 bytes --]

On Mon, Sep 23, 2013 at 04:14:43PM +0100, Mark Brown wrote:
> From: Mark Brown <broonie@linaro.org>
> 
> Ensure that the return value is always set when we return now that the
> logic has changed for regulator_get_optional() so we don't get missing
> codes leaking out.
> 
> Reported-by: Thierry Reding <treding@nvidia.com>
> Signed-off-by: Mark Brown <broonie@linaro.org>
> ---
>  drivers/regulator/core.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
> index fabbf32..6333080 100644
> --- a/drivers/regulator/core.c
> +++ b/drivers/regulator/core.c
> @@ -1281,12 +1281,13 @@ static struct regulator *_regulator_get(struct device *dev, const char *id,
>  	if (rdev)
>  		goto found;
>  
> +	regulator = ERR_PTR(ret);
> +
>  	/*
>  	 * If we have return value from dev_lookup fail, we do not expect to
>  	 * succeed, so, quit with appropriate error value
>  	 */
>  	if (ret && ret != -ENODEV) {
> -		regulator = ERR_PTR(ret);
>  		goto out;
>  	}

Perhaps remove the { and } now that there's only the "goto out;" left?

Tested-by: Thierry Reding <treding@nvidia.com>

[-- Attachment #2: Type: application/pgp-signature, Size: 836 bytes --]

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2013-09-23 15:21 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2013-09-23 15:14 [PATCH] regulator: core: Always use return value when regulator_dev_lookup() fails Mark Brown
2013-09-23 15:20 ` Thierry Reding

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox