* [PATCH] PM / devfreq: Propagate error from devfreq_add_device() @ 2017-11-04 3:38 ` Bjorn Andersson 2017-11-05 22:41 ` Chanwoo Choi 0 siblings, 1 reply; 2+ messages in thread From: Bjorn Andersson @ 2017-11-04 3:38 UTC (permalink / raw) To: MyungJoo Ham, Kyungmin Park, Chanwoo Choi; +Cc: linux-pm, linux-kernel Propagate the error of devfreq_add_device() in devm_devfreq_add_device() rather than statically returning ENOMEM. This makes it slightly faster to pinpoint the cause of a returned error. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> --- drivers/devfreq/devfreq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index 78fb496ecb4e..99c4021fc33b 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -737,7 +737,7 @@ struct devfreq *devm_devfreq_add_device(struct device *dev, devfreq = devfreq_add_device(dev, profile, governor_name, data); if (IS_ERR(devfreq)) { devres_free(ptr); - return ERR_PTR(-ENOMEM); + return devfreq; } *ptr = devfreq; -- 2.12.0 ^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] PM / devfreq: Propagate error from devfreq_add_device() 2017-11-04 3:38 ` [PATCH] PM / devfreq: Propagate error from devfreq_add_device() Bjorn Andersson @ 2017-11-05 22:41 ` Chanwoo Choi 0 siblings, 0 replies; 2+ messages in thread From: Chanwoo Choi @ 2017-11-05 22:41 UTC (permalink / raw) To: Bjorn Andersson, MyungJoo Ham, Kyungmin Park; +Cc: linux-pm, linux-kernel Hi, On 2017년 11월 04일 12:38, Bjorn Andersson wrote: > Propagate the error of devfreq_add_device() in devm_devfreq_add_device() > rather than statically returning ENOMEM. This makes it slightly faster > to pinpoint the cause of a returned error. > > Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> > --- > drivers/devfreq/devfreq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c > index 78fb496ecb4e..99c4021fc33b 100644 > --- a/drivers/devfreq/devfreq.c > +++ b/drivers/devfreq/devfreq.c > @@ -737,7 +737,7 @@ struct devfreq *devm_devfreq_add_device(struct device *dev, > devfreq = devfreq_add_device(dev, profile, governor_name, data); > if (IS_ERR(devfreq)) { > devres_free(ptr); > - return ERR_PTR(-ENOMEM); > + return devfreq; > } > > *ptr = devfreq; > Looks good to me. Acked-by: Chanwoo Choi <cw00.choi@samsung.com> But, you better to send this patch to the 'stable@vger.kernel.org' with the fixes information as following: Fixes: 8cd84092d35e ("PM / devfreq: Add resource-managed function for devfreq device") Cc: stable@vger.kernel.org Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> -- Best Regards, Chanwoo Choi Samsung Electronics ^ permalink raw reply [flat|nested] 2+ messages in thread
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2017-11-04 3:38 ` [PATCH] PM / devfreq: Propagate error from devfreq_add_device() Bjorn Andersson
2017-11-05 22:41 ` Chanwoo Choi
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